Home / 156,088.74-215,403-84,468.75

Finding the Fourth Proportional to 156,088.74, 215,403 and 84,468.75

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Solution

The fourth proportional to 156,088.74, 215,403 and 84,468.75 is: 116,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.74 : 215,403 = 84,468.75 : x
  2. Step 2: Convert to fraction form
    156,088.74/215,403 = 84,468.75/x
  3. Step 3: Cross multiply
    156,088.74x = 215,403 × 84,468.75
  4. Step 4: Simplify right side
    156,088.74x = 18,194,822,156.25
  5. Step 5: Solve for x
    x = 18,194,822,156.25/156,088.74
  6. Step 6: Final answer
    x = 116,567.17

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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.