Home / 144,132.81-216,332.12-73,105.30

Finding the Fourth Proportional to 144,132.81, 216,332.12 and 73,105.30

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Solution

The fourth proportional to 144,132.81, 216,332.12 and 73,105.30 is: 109,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,132.81 : 216,332.12 = 73,105.30 : x
  2. Step 2: Convert to fraction form
    144,132.81/216,332.12 = 73,105.30/x
  3. Step 3: Cross multiply
    144,132.81x = 216,332.12 × 73,105.30
  4. Step 4: Simplify right side
    144,132.81x = 15,815,024,532.24
  5. Step 5: Solve for x
    x = 15,815,024,532.24/144,132.81
  6. Step 6: Final answer
    x = 109,725.36

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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.