Home / 134,451.02-185,535.35-74,009.85

Finding the Fourth Proportional to 134,451.02, 185,535.35 and 74,009.85

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Solution

The fourth proportional to 134,451.02, 185,535.35 and 74,009.85 is: 102,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.02 : 185,535.35 = 74,009.85 : x
  2. Step 2: Convert to fraction form
    134,451.02/185,535.35 = 74,009.85/x
  3. Step 3: Cross multiply
    134,451.02x = 185,535.35 × 74,009.85
  4. Step 4: Simplify right side
    134,451.02x = 13,731,443,608.22
  5. Step 5: Solve for x
    x = 13,731,443,608.22/134,451.02
  6. Step 6: Final answer
    x = 102,129.71

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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.