Home / 257,876.12-355,875.18-144,707.24

Finding the Fourth Proportional to 257,876.12, 355,875.18 and 144,707.24

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Solution

The fourth proportional to 257,876.12, 355,875.18 and 144,707.24 is: 199,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,876.12 : 355,875.18 = 144,707.24 : x
  2. Step 2: Convert to fraction form
    257,876.12/355,875.18 = 144,707.24/x
  3. Step 3: Cross multiply
    257,876.12x = 355,875.18 × 144,707.24
  4. Step 4: Simplify right side
    257,876.12x = 51,497,715,082.30
  5. Step 5: Solve for x
    x = 51,497,715,082.30/257,876.12
  6. Step 6: Final answer
    x = 199,699.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.