Home / 203,545.07-280,925.82-112,930.19

Finding the Fourth Proportional to 203,545.07, 280,925.82 and 112,930.19

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Solution

The fourth proportional to 203,545.07, 280,925.82 and 112,930.19 is: 155,862.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,545.07 : 280,925.82 = 112,930.19 : x
  2. Step 2: Convert to fraction form
    203,545.07/280,925.82 = 112,930.19/x
  3. Step 3: Cross multiply
    203,545.07x = 280,925.82 × 112,930.19
  4. Step 4: Simplify right side
    203,545.07x = 31,725,004,823.88
  5. Step 5: Solve for x
    x = 31,725,004,823.88/203,545.07
  6. Step 6: Final answer
    x = 155,862.31

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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.