Home / 226,403.15-312,434.75-124,429.55

Finding the Fourth Proportional to 226,403.15, 312,434.75 and 124,429.55

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Solution

The fourth proportional to 226,403.15, 312,434.75 and 124,429.55 is: 171,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,403.15 : 312,434.75 = 124,429.55 : x
  2. Step 2: Convert to fraction form
    226,403.15/312,434.75 = 124,429.55/x
  3. Step 3: Cross multiply
    226,403.15x = 312,434.75 × 124,429.55
  4. Step 4: Simplify right side
    226,403.15x = 38,876,114,095.76
  5. Step 5: Solve for x
    x = 38,876,114,095.76/226,403.15
  6. Step 6: Final answer
    x = 171,711.90

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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.