Home / 187,921.32-259,280.52-107,332.80

Finding the Fourth Proportional to 187,921.32, 259,280.52 and 107,332.80

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Solution

The fourth proportional to 187,921.32, 259,280.52 and 107,332.80 is: 148,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,921.32 : 259,280.52 = 107,332.80 : x
  2. Step 2: Convert to fraction form
    187,921.32/259,280.52 = 107,332.80/x
  3. Step 3: Cross multiply
    187,921.32x = 259,280.52 × 107,332.80
  4. Step 4: Simplify right side
    187,921.32x = 27,829,304,197.06
  5. Step 5: Solve for x
    x = 27,829,304,197.06/187,921.32
  6. Step 6: Final answer
    x = 148,090.19

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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.