Home / 135,098.02-186,444.92-74,667.36

Finding the Fourth Proportional to 135,098.02, 186,444.92 and 74,667.36

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Solution

The fourth proportional to 135,098.02, 186,444.92 and 74,667.36 is: 103,046.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,098.02 : 186,444.92 = 74,667.36 : x
  2. Step 2: Convert to fraction form
    135,098.02/186,444.92 = 74,667.36/x
  3. Step 3: Cross multiply
    135,098.02x = 186,444.92 × 74,667.36
  4. Step 4: Simplify right side
    135,098.02x = 13,921,350,101.53
  5. Step 5: Solve for x
    x = 13,921,350,101.53/135,098.02
  6. Step 6: Final answer
    x = 103,046.29

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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.