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Finding the Fourth Proportional to 158,845.93, 219,207.98 and 86,248.93

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Solution

The fourth proportional to 158,845.93, 219,207.98 and 86,248.93 is: 119,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,845.93 : 219,207.98 = 86,248.93 : x
  2. Step 2: Convert to fraction form
    158,845.93/219,207.98 = 86,248.93/x
  3. Step 3: Cross multiply
    158,845.93x = 219,207.98 × 86,248.93
  4. Step 4: Simplify right side
    158,845.93x = 18,906,453,722.46
  5. Step 5: Solve for x
    x = 18,906,453,722.46/158,845.93
  6. Step 6: Final answer
    x = 119,023.85

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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.