Home / 156,980.20-235,470.30-63,437.80

Finding the Fourth Proportional to 156,980.20, 235,470.30 and 63,437.80

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Solution

The fourth proportional to 156,980.20, 235,470.30 and 63,437.80 is: 95,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.20 : 235,470.30 = 63,437.80 : x
  2. Step 2: Convert to fraction form
    156,980.20/235,470.30 = 63,437.80/x
  3. Step 3: Cross multiply
    156,980.20x = 235,470.30 × 63,437.80
  4. Step 4: Simplify right side
    156,980.20x = 14,937,717,797.34
  5. Step 5: Solve for x
    x = 14,937,717,797.34/156,980.20
  6. Step 6: Final answer
    x = 95,156.70

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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.