Home / 103,339.91-142,624.62-63,077.06

Finding the Fourth Proportional to 103,339.91, 142,624.62 and 63,077.06

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Solution

The fourth proportional to 103,339.91, 142,624.62 and 63,077.06 is: 87,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,339.91 : 142,624.62 = 63,077.06 : x
  2. Step 2: Convert to fraction form
    103,339.91/142,624.62 = 63,077.06/x
  3. Step 3: Cross multiply
    103,339.91x = 142,624.62 × 63,077.06
  4. Step 4: Simplify right side
    103,339.91x = 8,996,341,000.09
  5. Step 5: Solve for x
    x = 8,996,341,000.09/103,339.91
  6. Step 6: Final answer
    x = 87,055.83

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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.