Home / 226,479.04-312,541.20-125,876.96

Finding the Fourth Proportional to 226,479.04, 312,541.20 and 125,876.96

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Solution

The fourth proportional to 226,479.04, 312,541.20 and 125,876.96 is: 173,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,479.04 : 312,541.20 = 125,876.96 : x
  2. Step 2: Convert to fraction form
    226,479.04/312,541.20 = 125,876.96/x
  3. Step 3: Cross multiply
    226,479.04x = 312,541.20 × 125,876.96
  4. Step 4: Simplify right side
    226,479.04x = 39,341,736,130.75
  5. Step 5: Solve for x
    x = 39,341,736,130.75/226,479.04
  6. Step 6: Final answer
    x = 173,710.27

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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.