Home / 153,011.55-229,517.33-139,233.45

Finding the Fourth Proportional to 153,011.55, 229,517.33 and 139,233.45

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Solution

The fourth proportional to 153,011.55, 229,517.33 and 139,233.45 is: 208,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,011.55 : 229,517.33 = 139,233.45 : x
  2. Step 2: Convert to fraction form
    153,011.55/229,517.33 = 139,233.45/x
  3. Step 3: Cross multiply
    153,011.55x = 229,517.33 × 139,233.45
  4. Step 4: Simplify right side
    153,011.55x = 31,956,488,994.52
  5. Step 5: Solve for x
    x = 31,956,488,994.52/153,011.55
  6. Step 6: Final answer
    x = 208,850.18

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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.