Home / 108,129.34-149,215.60-59,730.23

Finding the Fourth Proportional to 108,129.34, 149,215.60 and 59,730.23

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Solution

The fourth proportional to 108,129.34, 149,215.60 and 59,730.23 is: 82,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,129.34 : 149,215.60 = 59,730.23 : x
  2. Step 2: Convert to fraction form
    108,129.34/149,215.60 = 59,730.23/x
  3. Step 3: Cross multiply
    108,129.34x = 149,215.60 × 59,730.23
  4. Step 4: Simplify right side
    108,129.34x = 8,912,681,436.17
  5. Step 5: Solve for x
    x = 8,912,681,436.17/108,129.34
  6. Step 6: Final answer
    x = 82,426.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.