Home / 96,600.30-144,900.45-69,989.10

Finding the Fourth Proportional to 96,600.30, 144,900.45 and 69,989.10

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Solution

The fourth proportional to 96,600.30, 144,900.45 and 69,989.10 is: 104,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,600.30 : 144,900.45 = 69,989.10 : x
  2. Step 2: Convert to fraction form
    96,600.30/144,900.45 = 69,989.10/x
  3. Step 3: Cross multiply
    96,600.30x = 144,900.45 × 69,989.10
  4. Step 4: Simplify right side
    96,600.30x = 10,141,452,085.10
  5. Step 5: Solve for x
    x = 10,141,452,085.10/96,600.30
  6. Step 6: Final answer
    x = 104,983.65

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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.