Home / 136,088.01-204,129.14-72,929.61

Finding the Fourth Proportional to 136,088.01, 204,129.14 and 72,929.61

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Solution

The fourth proportional to 136,088.01, 204,129.14 and 72,929.61 is: 109,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.01 : 204,129.14 = 72,929.61 : x
  2. Step 2: Convert to fraction form
    136,088.01/204,129.14 = 72,929.61/x
  3. Step 3: Cross multiply
    136,088.01x = 204,129.14 × 72,929.61
  4. Step 4: Simplify right side
    136,088.01x = 14,887,058,205.19
  5. Step 5: Solve for x
    x = 14,887,058,205.19/136,088.01
  6. Step 6: Final answer
    x = 109,392.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.