Home / 153,110.60-229,432.62-78,227.72

Finding the Fourth Proportional to 153,110.60, 229,432.62 and 78,227.72

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Solution

The fourth proportional to 153,110.60, 229,432.62 and 78,227.72 is: 117,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,110.60 : 229,432.62 = 78,227.72 : x
  2. Step 2: Convert to fraction form
    153,110.60/229,432.62 = 78,227.72/x
  3. Step 3: Cross multiply
    153,110.60x = 229,432.62 × 78,227.72
  4. Step 4: Simplify right side
    153,110.60x = 17,947,990,756.23
  5. Step 5: Solve for x
    x = 17,947,990,756.23/153,110.60
  6. Step 6: Final answer
    x = 117,222.39

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1.5x scale

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.