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Finding the Fourth Proportional to 108,030.40, 162,045.60 and 37,902.40

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Solution

The fourth proportional to 108,030.40, 162,045.60 and 37,902.40 is: 56,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,030.40 : 162,045.60 = 37,902.40 : x
  2. Step 2: Convert to fraction form
    108,030.40/162,045.60 = 37,902.40/x
  3. Step 3: Cross multiply
    108,030.40x = 162,045.60 × 37,902.40
  4. Step 4: Simplify right side
    108,030.40x = 6,141,917,149.44
  5. Step 5: Solve for x
    x = 6,141,917,149.44/108,030.40
  6. Step 6: Final answer
    x = 56,853.60

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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.