Home / 176,165.04-243,107.92-100,715.12

Finding the Fourth Proportional to 176,165.04, 243,107.92 and 100,715.12

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Solution

The fourth proportional to 176,165.04, 243,107.92 and 100,715.12 is: 138,986.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,165.04 : 243,107.92 = 100,715.12 : x
  2. Step 2: Convert to fraction form
    176,165.04/243,107.92 = 100,715.12/x
  3. Step 3: Cross multiply
    176,165.04x = 243,107.92 × 100,715.12
  4. Step 4: Simplify right side
    176,165.04x = 24,484,643,335.75
  5. Step 5: Solve for x
    x = 24,484,643,335.75/176,165.04
  6. Step 6: Final answer
    x = 138,986.96

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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.