Home / 119,945.64-165,539.02-99,766.92

Finding the Fourth Proportional to 119,945.64, 165,539.02 and 99,766.92

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Solution

The fourth proportional to 119,945.64, 165,539.02 and 99,766.92 is: 137,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,945.64 : 165,539.02 = 99,766.92 : x
  2. Step 2: Convert to fraction form
    119,945.64/165,539.02 = 99,766.92/x
  3. Step 3: Cross multiply
    119,945.64x = 165,539.02 × 99,766.92
  4. Step 4: Simplify right side
    119,945.64x = 16,515,318,165.22
  5. Step 5: Solve for x
    x = 16,515,318,165.22/119,945.64
  6. Step 6: Final answer
    x = 137,690.02

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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.