Home / 140,188.40-210,331.20-61,359.20

Finding the Fourth Proportional to 140,188.40, 210,331.20 and 61,359.20

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Solution

The fourth proportional to 140,188.40, 210,331.20 and 61,359.20 is: 92,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,188.40 : 210,331.20 = 61,359.20 : x
  2. Step 2: Convert to fraction form
    140,188.40/210,331.20 = 61,359.20/x
  3. Step 3: Cross multiply
    140,188.40x = 210,331.20 × 61,359.20
  4. Step 4: Simplify right side
    140,188.40x = 12,905,754,167.04
  5. Step 5: Solve for x
    x = 12,905,754,167.04/140,188.40
  6. Step 6: Final answer
    x = 92,060.07

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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.