Home / 152,431.70-227,999.55-136,750.10

Finding the Fourth Proportional to 152,431.70, 227,999.55 and 136,750.10

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Solution

The fourth proportional to 152,431.70, 227,999.55 and 136,750.10 is: 204,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,431.70 : 227,999.55 = 136,750.10 : x
  2. Step 2: Convert to fraction form
    152,431.70/227,999.55 = 136,750.10/x
  3. Step 3: Cross multiply
    152,431.70x = 227,999.55 × 136,750.10
  4. Step 4: Simplify right side
    152,431.70x = 31,178,961,262.46
  5. Step 5: Solve for x
    x = 31,178,961,262.46/152,431.70
  6. Step 6: Final answer
    x = 204,543.81

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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.