Home / 142,293.51-196,331.24-88,549.81

Finding the Fourth Proportional to 142,293.51, 196,331.24 and 88,549.81

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Solution

The fourth proportional to 142,293.51, 196,331.24 and 88,549.81 is: 122,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,293.51 : 196,331.24 = 88,549.81 : x
  2. Step 2: Convert to fraction form
    142,293.51/196,331.24 = 88,549.81/x
  3. Step 3: Cross multiply
    142,293.51x = 196,331.24 × 88,549.81
  4. Step 4: Simplify right side
    142,293.51x = 17,385,093,729.61
  5. Step 5: Solve for x
    x = 17,385,093,729.61/142,293.51
  6. Step 6: Final answer
    x = 122,177.70

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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.