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Finding the Fourth Proportional to 108,011.60, 162,017.40 and 103,637.60

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Solution

The fourth proportional to 108,011.60, 162,017.40 and 103,637.60 is: 155,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,011.60 : 162,017.40 = 103,637.60 : x
  2. Step 2: Convert to fraction form
    108,011.60/162,017.40 = 103,637.60/x
  3. Step 3: Cross multiply
    108,011.60x = 162,017.40 × 103,637.60
  4. Step 4: Simplify right side
    108,011.60x = 16,791,094,494.24
  5. Step 5: Solve for x
    x = 16,791,094,494.24/108,011.60
  6. Step 6: Final answer
    x = 155,456.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.