Home / 268,129.17-370,022.85-147,275.55

Finding the Fourth Proportional to 268,129.17, 370,022.85 and 147,275.55

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Solution

The fourth proportional to 268,129.17, 370,022.85 and 147,275.55 is: 203,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,129.17 : 370,022.85 = 147,275.55 : x
  2. Step 2: Convert to fraction form
    268,129.17/370,022.85 = 147,275.55/x
  3. Step 3: Cross multiply
    268,129.17x = 370,022.85 × 147,275.55
  4. Step 4: Simplify right side
    268,129.17x = 54,495,318,746.32
  5. Step 5: Solve for x
    x = 54,495,318,746.32/268,129.17
  6. Step 6: Final answer
    x = 203,242.78

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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.