Home / 90,633.30-125,178.66-60,368.82

Finding the Fourth Proportional to 90,633.30, 125,178.66 and 60,368.82

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Solution

The fourth proportional to 90,633.30, 125,178.66 and 60,368.82 is: 83,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,633.30 : 125,178.66 = 60,368.82 : x
  2. Step 2: Convert to fraction form
    90,633.30/125,178.66 = 60,368.82/x
  3. Step 3: Cross multiply
    90,633.30x = 125,178.66 × 60,368.82
  4. Step 4: Simplify right side
    90,633.30x = 7,556,887,993.38
  5. Step 5: Solve for x
    x = 7,556,887,993.38/90,633.30
  6. Step 6: Final answer
    x = 83,378.71

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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.