Home / 139,527.06-209,285.91-60,641.28

Finding the Fourth Proportional to 139,527.06, 209,285.91 and 60,641.28

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Solution

The fourth proportional to 139,527.06, 209,285.91 and 60,641.28 is: 90,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527.06 : 209,285.91 = 60,641.28 : x
  2. Step 2: Convert to fraction form
    139,527.06/209,285.91 = 60,641.28/x
  3. Step 3: Cross multiply
    139,527.06x = 209,285.91 × 60,641.28
  4. Step 4: Simplify right side
    139,527.06x = 12,691,365,468.36
  5. Step 5: Solve for x
    x = 12,691,365,468.36/139,527.06
  6. Step 6: Final answer
    x = 90,959.89

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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.