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Finding the Fourth Proportional to 158,232.80, 237,349.20 and 147,864.80

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Solution

The fourth proportional to 158,232.80, 237,349.20 and 147,864.80 is: 221,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,232.80 : 237,349.20 = 147,864.80 : x
  2. Step 2: Convert to fraction form
    158,232.80/237,349.20 = 147,864.80/x
  3. Step 3: Cross multiply
    158,232.80x = 237,349.20 × 147,864.80
  4. Step 4: Simplify right side
    158,232.80x = 35,095,591,988.16
  5. Step 5: Solve for x
    x = 35,095,591,988.16/158,232.80
  6. Step 6: Final answer
    x = 221,797.20

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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.