Home / 108,862.68-163,330.38-42,304.98

Finding the Fourth Proportional to 108,862.68, 163,330.38 and 42,304.98

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Solution

The fourth proportional to 108,862.68, 163,330.38 and 42,304.98 is: 63,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862.68 : 163,330.38 = 42,304.98 : x
  2. Step 2: Convert to fraction form
    108,862.68/163,330.38 = 42,304.98/x
  3. Step 3: Cross multiply
    108,862.68x = 163,330.38 × 42,304.98
  4. Step 4: Simplify right side
    108,862.68x = 6,909,688,459.29
  5. Step 5: Solve for x
    x = 6,909,688,459.29/108,862.68
  6. Step 6: Final answer
    x = 63,471.60

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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.