Home / 134,257.79-185,278.76-73,824.59

Finding the Fourth Proportional to 134,257.79, 185,278.76 and 73,824.59

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Solution

The fourth proportional to 134,257.79, 185,278.76 and 73,824.59 is: 101,879.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,257.79 : 185,278.76 = 73,824.59 : x
  2. Step 2: Convert to fraction form
    134,257.79/185,278.76 = 73,824.59/x
  3. Step 3: Cross multiply
    134,257.79x = 185,278.76 × 73,824.59
  4. Step 4: Simplify right side
    134,257.79x = 13,678,128,123.59
  5. Step 5: Solve for x
    x = 13,678,128,123.59/134,257.79
  6. Step 6: Final answer
    x = 101,879.59

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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.