Home / 108,637.90-162,973.05-38,511.70

Finding the Fourth Proportional to 108,637.90, 162,973.05 and 38,511.70

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Solution

The fourth proportional to 108,637.90, 162,973.05 and 38,511.70 is: 57,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,637.90 : 162,973.05 = 38,511.70 : x
  2. Step 2: Convert to fraction form
    108,637.90/162,973.05 = 38,511.70/x
  3. Step 3: Cross multiply
    108,637.90x = 162,973.05 × 38,511.70
  4. Step 4: Simplify right side
    108,637.90x = 6,276,369,209.69
  5. Step 5: Solve for x
    x = 6,276,369,209.69/108,637.90
  6. Step 6: Final answer
    x = 57,773.29

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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.