Home / 237,821.20-328,189.53-130,392.16

Finding the Fourth Proportional to 237,821.20, 328,189.53 and 130,392.16

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Solution

The fourth proportional to 237,821.20, 328,189.53 and 130,392.16 is: 179,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,821.20 : 328,189.53 = 130,392.16 : x
  2. Step 2: Convert to fraction form
    237,821.20/328,189.53 = 130,392.16/x
  3. Step 3: Cross multiply
    237,821.20x = 328,189.53 × 130,392.16
  4. Step 4: Simplify right side
    237,821.20x = 42,793,341,706.08
  5. Step 5: Solve for x
    x = 42,793,341,706.08/237,821.20
  6. Step 6: Final answer
    x = 179,939.14

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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.