Home / 134,336.39-185,397.29-100,285.74

Finding the Fourth Proportional to 134,336.39, 185,397.29 and 100,285.74

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Solution

The fourth proportional to 134,336.39, 185,397.29 and 100,285.74 is: 138,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,336.39 : 185,397.29 = 100,285.74 : x
  2. Step 2: Convert to fraction form
    134,336.39/185,397.29 = 100,285.74/x
  3. Step 3: Cross multiply
    134,336.39x = 185,397.29 × 100,285.74
  4. Step 4: Simplify right side
    134,336.39x = 18,592,703,920.22
  5. Step 5: Solve for x
    x = 18,592,703,920.22/134,336.39
  6. Step 6: Final answer
    x = 138,404.08

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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.