Home / 145,722.29-218,243.24-112,176.17

Finding the Fourth Proportional to 145,722.29, 218,243.24 and 112,176.17

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Solution

The fourth proportional to 145,722.29, 218,243.24 and 112,176.17 is: 168,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,722.29 : 218,243.24 = 112,176.17 : x
  2. Step 2: Convert to fraction form
    145,722.29/218,243.24 = 112,176.17/x
  3. Step 3: Cross multiply
    145,722.29x = 218,243.24 × 112,176.17
  4. Step 4: Simplify right side
    145,722.29x = 24,481,690,230.71
  5. Step 5: Solve for x
    x = 24,481,690,230.71/145,722.29
  6. Step 6: Final answer
    x = 168,002.37

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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.