Home / 83,437.56-115,143.93-45,197.19

Finding the Fourth Proportional to 83,437.56, 115,143.93 and 45,197.19

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Solution

The fourth proportional to 83,437.56, 115,143.93 and 45,197.19 is: 62,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,437.56 : 115,143.93 = 45,197.19 : x
  2. Step 2: Convert to fraction form
    83,437.56/115,143.93 = 45,197.19/x
  3. Step 3: Cross multiply
    83,437.56x = 115,143.93 × 45,197.19
  4. Step 4: Simplify right side
    83,437.56x = 5,204,182,081.56
  5. Step 5: Solve for x
    x = 5,204,182,081.56/83,437.56
  6. Step 6: Final answer
    x = 62,372.17

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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.