Home / 156,088.92-215,402.70-84,468.93

Finding the Fourth Proportional to 156,088.92, 215,402.70 and 84,468.93

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Solution

The fourth proportional to 156,088.92, 215,402.70 and 84,468.93 is: 116,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.92 : 215,402.70 = 84,468.93 : x
  2. Step 2: Convert to fraction form
    156,088.92/215,402.70 = 84,468.93/x
  3. Step 3: Cross multiply
    156,088.92x = 215,402.70 × 84,468.93
  4. Step 4: Simplify right side
    156,088.92x = 18,194,835,588.11
  5. Step 5: Solve for x
    x = 18,194,835,588.11/156,088.92
  6. Step 6: Final answer
    x = 116,567.12

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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.