Home / 147,569.88-221,187.03-129,765.65

Finding the Fourth Proportional to 147,569.88, 221,187.03 and 129,765.65

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Solution

The fourth proportional to 147,569.88, 221,187.03 and 129,765.65 is: 194,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.88 : 221,187.03 = 129,765.65 : x
  2. Step 2: Convert to fraction form
    147,569.88/221,187.03 = 129,765.65/x
  3. Step 3: Cross multiply
    147,569.88x = 221,187.03 × 129,765.65
  4. Step 4: Simplify right side
    147,569.88x = 28,702,477,491.93
  5. Step 5: Solve for x
    x = 28,702,477,491.93/147,569.88
  6. Step 6: Final answer
    x = 194,500.93

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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.