Home / 153,010.80-229,516.20-139,232.70

Finding the Fourth Proportional to 153,010.80, 229,516.20 and 139,232.70

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Solution

The fourth proportional to 153,010.80, 229,516.20 and 139,232.70 is: 208,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.80 : 229,516.20 = 139,232.70 : x
  2. Step 2: Convert to fraction form
    153,010.80/229,516.20 = 139,232.70/x
  3. Step 3: Cross multiply
    153,010.80x = 229,516.20 × 139,232.70
  4. Step 4: Simplify right side
    153,010.80x = 31,956,160,219.74
  5. Step 5: Solve for x
    x = 31,956,160,219.74/153,010.80
  6. Step 6: Final answer
    x = 208,849.05

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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.