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Finding the Fourth Proportional to 152,288.52, 210,154.84 and 83,377.84

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Solution

The fourth proportional to 152,288.52, 210,154.84 and 83,377.84 is: 115,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,288.52 : 210,154.84 = 83,377.84 : x
  2. Step 2: Convert to fraction form
    152,288.52/210,154.84 = 83,377.84/x
  3. Step 3: Cross multiply
    152,288.52x = 210,154.84 × 83,377.84
  4. Step 4: Simplify right side
    152,288.52x = 17,522,256,624.75
  5. Step 5: Solve for x
    x = 17,522,256,624.75/152,288.52
  6. Step 6: Final answer
    x = 115,059.60

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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.