Home / 120,293.18-165,990.02-69,322.61

Finding the Fourth Proportional to 120,293.18, 165,990.02 and 69,322.61

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Solution

The fourth proportional to 120,293.18, 165,990.02 and 69,322.61 is: 95,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,293.18 : 165,990.02 = 69,322.61 : x
  2. Step 2: Convert to fraction form
    120,293.18/165,990.02 = 69,322.61/x
  3. Step 3: Cross multiply
    120,293.18x = 165,990.02 × 69,322.61
  4. Step 4: Simplify right side
    120,293.18x = 11,506,861,420.35
  5. Step 5: Solve for x
    x = 11,506,861,420.35/120,293.18
  6. Step 6: Final answer
    x = 95,656.81

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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.