Home / 153,246.60-229,868.82-90,727.56

Finding the Fourth Proportional to 153,246.60, 229,868.82 and 90,727.56

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Solution

The fourth proportional to 153,246.60, 229,868.82 and 90,727.56 is: 136,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,246.60 : 229,868.82 = 90,727.56 : x
  2. Step 2: Convert to fraction form
    153,246.60/229,868.82 = 90,727.56/x
  3. Step 3: Cross multiply
    153,246.60x = 229,868.82 × 90,727.56
  4. Step 4: Simplify right side
    153,246.60x = 20,855,437,158.68
  5. Step 5: Solve for x
    x = 20,855,437,158.68/153,246.60
  6. Step 6: Final answer
    x = 136,090.70

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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.