Home / 234,332.55-323,378.28-126,902.55

Finding the Fourth Proportional to 234,332.55, 323,378.28 and 126,902.55

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Solution

The fourth proportional to 234,332.55, 323,378.28 and 126,902.55 is: 175,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,332.55 : 323,378.28 = 126,902.55 : x
  2. Step 2: Convert to fraction form
    234,332.55/323,378.28 = 126,902.55/x
  3. Step 3: Cross multiply
    234,332.55x = 323,378.28 × 126,902.55
  4. Step 4: Simplify right side
    234,332.55x = 41,037,528,346.61
  5. Step 5: Solve for x
    x = 41,037,528,346.61/234,332.55
  6. Step 6: Final answer
    x = 175,125.17

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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.