Home / 134,867.60-202,301.40-84,785.30

Finding the Fourth Proportional to 134,867.60, 202,301.40 and 84,785.30

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Solution

The fourth proportional to 134,867.60, 202,301.40 and 84,785.30 is: 127,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.60 : 202,301.40 = 84,785.30 : x
  2. Step 2: Convert to fraction form
    134,867.60/202,301.40 = 84,785.30/x
  3. Step 3: Cross multiply
    134,867.60x = 202,301.40 × 84,785.30
  4. Step 4: Simplify right side
    134,867.60x = 17,152,184,889.42
  5. Step 5: Solve for x
    x = 17,152,184,889.42/134,867.60
  6. Step 6: Final answer
    x = 127,177.95

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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.