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Finding the Fourth Proportional to 108,596.34, 149,862.98 and 66,154.87

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Solution

The fourth proportional to 108,596.34, 149,862.98 and 66,154.87 is: 91,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,596.34 : 149,862.98 = 66,154.87 : x
  2. Step 2: Convert to fraction form
    108,596.34/149,862.98 = 66,154.87/x
  3. Step 3: Cross multiply
    108,596.34x = 149,862.98 × 66,154.87
  4. Step 4: Simplify right side
    108,596.34x = 9,914,165,210.40
  5. Step 5: Solve for x
    x = 9,914,165,210.40/108,596.34
  6. Step 6: Final answer
    x = 91,293.74

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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.