Home / 131,472.86-181,432.52-71,043.50

Finding the Fourth Proportional to 131,472.86, 181,432.52 and 71,043.50

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Solution

The fourth proportional to 131,472.86, 181,432.52 and 71,043.50 is: 98,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,472.86 : 181,432.52 = 71,043.50 : x
  2. Step 2: Convert to fraction form
    131,472.86/181,432.52 = 71,043.50/x
  3. Step 3: Cross multiply
    131,472.86x = 181,432.52 × 71,043.50
  4. Step 4: Simplify right side
    131,472.86x = 12,889,599,972.24
  5. Step 5: Solve for x
    x = 12,889,599,972.24/131,472.86
  6. Step 6: Final answer
    x = 98,040.01

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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.