Home / 138,356.02-207,534.08-106,812.14

Finding the Fourth Proportional to 138,356.02, 207,534.08 and 106,812.14

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Solution

The fourth proportional to 138,356.02, 207,534.08 and 106,812.14 is: 160,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,356.02 : 207,534.08 = 106,812.14 : x
  2. Step 2: Convert to fraction form
    138,356.02/207,534.08 = 106,812.14/x
  3. Step 3: Cross multiply
    138,356.02x = 207,534.08 × 106,812.14
  4. Step 4: Simplify right side
    138,356.02x = 22,167,158,437.09
  5. Step 5: Solve for x
    x = 22,167,158,437.09/138,356.02
  6. Step 6: Final answer
    x = 160,218.25

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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.