Home / 189,087.40-260,937.24-103,047.13

Finding the Fourth Proportional to 189,087.40, 260,937.24 and 103,047.13

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Solution

The fourth proportional to 189,087.40, 260,937.24 and 103,047.13 is: 142,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,087.40 : 260,937.24 = 103,047.13 : x
  2. Step 2: Convert to fraction form
    189,087.40/260,937.24 = 103,047.13/x
  3. Step 3: Cross multiply
    189,087.40x = 260,937.24 × 103,047.13
  4. Step 4: Simplify right side
    189,087.40x = 26,888,833,692.12
  5. Step 5: Solve for x
    x = 26,888,833,692.12/189,087.40
  6. Step 6: Final answer
    x = 142,203.20

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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.