Home / 156,620.40-234,952.20-56,756.40

Finding the Fourth Proportional to 156,620.40, 234,952.20 and 56,756.40

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Solution

The fourth proportional to 156,620.40, 234,952.20 and 56,756.40 is: 85,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,620.40 : 234,952.20 = 56,756.40 : x
  2. Step 2: Convert to fraction form
    156,620.40/234,952.20 = 56,756.40/x
  3. Step 3: Cross multiply
    156,620.40x = 234,952.20 × 56,756.40
  4. Step 4: Simplify right side
    156,620.40x = 13,335,041,044.08
  5. Step 5: Solve for x
    x = 13,335,041,044.08/156,620.40
  6. Step 6: Final answer
    x = 85,142.43

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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.