Home / 152,885.60-229,328.40-115,560.80

Finding the Fourth Proportional to 152,885.60, 229,328.40 and 115,560.80

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Solution

The fourth proportional to 152,885.60, 229,328.40 and 115,560.80 is: 173,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,885.60 : 229,328.40 = 115,560.80 : x
  2. Step 2: Convert to fraction form
    152,885.60/229,328.40 = 115,560.80/x
  3. Step 3: Cross multiply
    152,885.60x = 229,328.40 × 115,560.80
  4. Step 4: Simplify right side
    152,885.60x = 26,501,373,366.72
  5. Step 5: Solve for x
    x = 26,501,373,366.72/152,885.60
  6. Step 6: Final answer
    x = 173,341.20

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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.