Home / 134,904.91-186,170.28-74,475.59

Finding the Fourth Proportional to 134,904.91, 186,170.28 and 74,475.59

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Solution

The fourth proportional to 134,904.91, 186,170.28 and 74,475.59 is: 102,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.91 : 186,170.28 = 74,475.59 : x
  2. Step 2: Convert to fraction form
    134,904.91/186,170.28 = 74,475.59/x
  3. Step 3: Cross multiply
    134,904.91x = 186,170.28 × 74,475.59
  4. Step 4: Simplify right side
    134,904.91x = 13,865,141,443.47
  5. Step 5: Solve for x
    x = 13,865,141,443.47/134,904.91
  6. Step 6: Final answer
    x = 102,777.14

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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.