Home / 212,454.48-293,152.68-121,793.76

Finding the Fourth Proportional to 212,454.48, 293,152.68 and 121,793.76

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Solution

The fourth proportional to 212,454.48, 293,152.68 and 121,793.76 is: 168,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,454.48 : 293,152.68 = 121,793.76 : x
  2. Step 2: Convert to fraction form
    212,454.48/293,152.68 = 121,793.76/x
  3. Step 3: Cross multiply
    212,454.48x = 293,152.68 × 121,793.76
  4. Step 4: Simplify right side
    212,454.48x = 35,704,167,151.28
  5. Step 5: Solve for x
    x = 35,704,167,151.28/212,454.48
  6. Step 6: Final answer
    x = 168,055.61

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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.