Home / 153,281.23-229,919.19-68,981.74

Finding the Fourth Proportional to 153,281.23, 229,919.19 and 68,981.74

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Solution

The fourth proportional to 153,281.23, 229,919.19 and 68,981.74 is: 103,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281.23 : 229,919.19 = 68,981.74 : x
  2. Step 2: Convert to fraction form
    153,281.23/229,919.19 = 68,981.74/x
  3. Step 3: Cross multiply
    153,281.23x = 229,919.19 × 68,981.74
  4. Step 4: Simplify right side
    153,281.23x = 15,860,225,785.59
  5. Step 5: Solve for x
    x = 15,860,225,785.59/153,281.23
  6. Step 6: Final answer
    x = 103,471.42

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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.