Home / 156,089.61-215,402.16-84,468.18

Finding the Fourth Proportional to 156,089.61, 215,402.16 and 84,468.18

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Solution

The fourth proportional to 156,089.61, 215,402.16 and 84,468.18 is: 116,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.61 : 215,402.16 = 84,468.18 : x
  2. Step 2: Convert to fraction form
    156,089.61/215,402.16 = 84,468.18/x
  3. Step 3: Cross multiply
    156,089.61x = 215,402.16 × 84,468.18
  4. Step 4: Simplify right side
    156,089.61x = 18,194,628,423.27
  5. Step 5: Solve for x
    x = 18,194,628,423.27/156,089.61
  6. Step 6: Final answer
    x = 116,565.28

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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.