Home / 152,756.95-229,043.38-68,501.88

Finding the Fourth Proportional to 152,756.95, 229,043.38 and 68,501.88

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Solution

The fourth proportional to 152,756.95, 229,043.38 and 68,501.88 is: 102,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,756.95 : 229,043.38 = 68,501.88 : x
  2. Step 2: Convert to fraction form
    152,756.95/229,043.38 = 68,501.88/x
  3. Step 3: Cross multiply
    152,756.95x = 229,043.38 × 68,501.88
  4. Step 4: Simplify right side
    152,756.95x = 15,689,902,131.55
  5. Step 5: Solve for x
    x = 15,689,902,131.55/152,756.95
  6. Step 6: Final answer
    x = 102,711.54

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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.