Home / 91,544.21-137,309.48-28,364.82

Finding the Fourth Proportional to 91,544.21, 137,309.48 and 28,364.82

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Solution

The fourth proportional to 91,544.21, 137,309.48 and 28,364.82 is: 42,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,544.21 : 137,309.48 = 28,364.82 : x
  2. Step 2: Convert to fraction form
    91,544.21/137,309.48 = 28,364.82/x
  3. Step 3: Cross multiply
    91,544.21x = 137,309.48 × 28,364.82
  4. Step 4: Simplify right side
    91,544.21x = 3,894,758,833.07
  5. Step 5: Solve for x
    x = 3,894,758,833.07/91,544.21
  6. Step 6: Final answer
    x = 42,545.11

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1.5x scale

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.