Home / 135,656.17-187,215.11-75,232.60

Finding the Fourth Proportional to 135,656.17, 187,215.11 and 75,232.60

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Solution

The fourth proportional to 135,656.17, 187,215.11 and 75,232.60 is: 103,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,656.17 : 187,215.11 = 75,232.60 : x
  2. Step 2: Convert to fraction form
    135,656.17/187,215.11 = 75,232.60/x
  3. Step 3: Cross multiply
    135,656.17x = 187,215.11 × 75,232.60
  4. Step 4: Simplify right side
    135,656.17x = 14,084,679,484.59
  5. Step 5: Solve for x
    x = 14,084,679,484.59/135,656.17
  6. Step 6: Final answer
    x = 103,826.31

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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.