Home / 150,127.40-207,174.02-82,143.58

Finding the Fourth Proportional to 150,127.40, 207,174.02 and 82,143.58

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Solution

The fourth proportional to 150,127.40, 207,174.02 and 82,143.58 is: 113,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,127.40 : 207,174.02 = 82,143.58 : x
  2. Step 2: Convert to fraction form
    150,127.40/207,174.02 = 82,143.58/x
  3. Step 3: Cross multiply
    150,127.40x = 207,174.02 × 82,143.58
  4. Step 4: Simplify right side
    150,127.40x = 17,018,015,685.79
  5. Step 5: Solve for x
    x = 17,018,015,685.79/150,127.40
  6. Step 6: Final answer
    x = 113,357.16

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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.