Home / 144,319.15-216,387.03-126,585.42

Finding the Fourth Proportional to 144,319.15, 216,387.03 and 126,585.42

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Solution

The fourth proportional to 144,319.15, 216,387.03 and 126,585.42 is: 189,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,319.15 : 216,387.03 = 126,585.42 : x
  2. Step 2: Convert to fraction form
    144,319.15/216,387.03 = 126,585.42/x
  3. Step 3: Cross multiply
    144,319.15x = 216,387.03 × 126,585.42
  4. Step 4: Simplify right side
    144,319.15x = 27,391,443,075.10
  5. Step 5: Solve for x
    x = 27,391,443,075.10/144,319.15
  6. Step 6: Final answer
    x = 189,797.70

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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.