Home / 135,034.40-186,352.08-84,761.12

Finding the Fourth Proportional to 135,034.40, 186,352.08 and 84,761.12

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Solution

The fourth proportional to 135,034.40, 186,352.08 and 84,761.12 is: 116,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,034.40 : 186,352.08 = 84,761.12 : x
  2. Step 2: Convert to fraction form
    135,034.40/186,352.08 = 84,761.12/x
  3. Step 3: Cross multiply
    135,034.40x = 186,352.08 × 84,761.12
  4. Step 4: Simplify right side
    135,034.40x = 15,795,411,015.13
  5. Step 5: Solve for x
    x = 15,795,411,015.13/135,034.40
  6. Step 6: Final answer
    x = 116,973.24

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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.