Home / 242,064.32-334,042.92-131,680.16

Finding the Fourth Proportional to 242,064.32, 334,042.92 and 131,680.16

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Solution

The fourth proportional to 242,064.32, 334,042.92 and 131,680.16 is: 181,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,064.32 : 334,042.92 = 131,680.16 : x
  2. Step 2: Convert to fraction form
    242,064.32/334,042.92 = 131,680.16/x
  3. Step 3: Cross multiply
    242,064.32x = 334,042.92 × 131,680.16
  4. Step 4: Simplify right side
    242,064.32x = 43,986,825,152.47
  5. Step 5: Solve for x
    x = 43,986,825,152.47/242,064.32
  6. Step 6: Final answer
    x = 181,715.44

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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.