Home / 124,559.13-186,868.35-40,319.31

Finding the Fourth Proportional to 124,559.13, 186,868.35 and 40,319.31

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Solution

The fourth proportional to 124,559.13, 186,868.35 and 40,319.31 is: 60,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,559.13 : 186,868.35 = 40,319.31 : x
  2. Step 2: Convert to fraction form
    124,559.13/186,868.35 = 40,319.31/x
  3. Step 3: Cross multiply
    124,559.13x = 186,868.35 × 40,319.31
  4. Step 4: Simplify right side
    124,559.13x = 7,534,402,932.84
  5. Step 5: Solve for x
    x = 7,534,402,932.84/124,559.13
  6. Step 6: Final answer
    x = 60,488.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.