Home / 102,358.44-141,285.06-64,657.80

Finding the Fourth Proportional to 102,358.44, 141,285.06 and 64,657.80

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Solution

The fourth proportional to 102,358.44, 141,285.06 and 64,657.80 is: 89,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,358.44 : 141,285.06 = 64,657.80 : x
  2. Step 2: Convert to fraction form
    102,358.44/141,285.06 = 64,657.80/x
  3. Step 3: Cross multiply
    102,358.44x = 141,285.06 × 64,657.80
  4. Step 4: Simplify right side
    102,358.44x = 9,135,181,152.47
  5. Step 5: Solve for x
    x = 9,135,181,152.47/102,358.44
  6. Step 6: Final answer
    x = 89,246.98

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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.