Home / 121,721.52-182,582.24-45,834.34

Finding the Fourth Proportional to 121,721.52, 182,582.24 and 45,834.34

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Solution

The fourth proportional to 121,721.52, 182,582.24 and 45,834.34 is: 68,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,721.52 : 182,582.24 = 45,834.34 : x
  2. Step 2: Convert to fraction form
    121,721.52/182,582.24 = 45,834.34/x
  3. Step 3: Cross multiply
    121,721.52x = 182,582.24 × 45,834.34
  4. Step 4: Simplify right side
    121,721.52x = 8,368,536,466.12
  5. Step 5: Solve for x
    x = 8,368,536,466.12/121,721.52
  6. Step 6: Final answer
    x = 68,751.49

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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.