Home / 357,992.20-537,001.26-121,357.72

Finding the Fourth Proportional to 357,992.20, 537,001.26 and 121,357.72

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Solution

The fourth proportional to 357,992.20, 537,001.26 and 121,357.72 is: 182,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,992.20 : 537,001.26 = 121,357.72 : x
  2. Step 2: Convert to fraction form
    357,992.20/537,001.26 = 121,357.72/x
  3. Step 3: Cross multiply
    357,992.20x = 537,001.26 × 121,357.72
  4. Step 4: Simplify right side
    357,992.20x = 65,169,248,550.73
  5. Step 5: Solve for x
    x = 65,169,248,550.73/357,992.20
  6. Step 6: Final answer
    x = 182,040.97

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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.