Home / 147,499.11-203,491.04-90,812.07

Finding the Fourth Proportional to 147,499.11, 203,491.04 and 90,812.07

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Solution

The fourth proportional to 147,499.11, 203,491.04 and 90,812.07 is: 125,285.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,499.11 : 203,491.04 = 90,812.07 : x
  2. Step 2: Convert to fraction form
    147,499.11/203,491.04 = 90,812.07/x
  3. Step 3: Cross multiply
    147,499.11x = 203,491.04 × 90,812.07
  4. Step 4: Simplify right side
    147,499.11x = 18,479,442,114.79
  5. Step 5: Solve for x
    x = 18,479,442,114.79/147,499.11
  6. Step 6: Final answer
    x = 125,285.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.