Home / 156,225.13-234,338.04-56,455.78

Finding the Fourth Proportional to 156,225.13, 234,338.04 and 56,455.78

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Solution

The fourth proportional to 156,225.13, 234,338.04 and 56,455.78 is: 84,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,225.13 : 234,338.04 = 56,455.78 : x
  2. Step 2: Convert to fraction form
    156,225.13/234,338.04 = 56,455.78/x
  3. Step 3: Cross multiply
    156,225.13x = 234,338.04 × 56,455.78
  4. Step 4: Simplify right side
    156,225.13x = 13,229,736,549.59
  5. Step 5: Solve for x
    x = 13,229,736,549.59/156,225.13
  6. Step 6: Final answer
    x = 84,683.80

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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.