Home / 121,682.29-182,275.57-99,272.83

Finding the Fourth Proportional to 121,682.29, 182,275.57 and 99,272.83

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Solution

The fourth proportional to 121,682.29, 182,275.57 and 99,272.83 is: 148,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,682.29 : 182,275.57 = 99,272.83 : x
  2. Step 2: Convert to fraction form
    121,682.29/182,275.57 = 99,272.83/x
  3. Step 3: Cross multiply
    121,682.29x = 182,275.57 × 99,272.83
  4. Step 4: Simplify right side
    121,682.29x = 18,095,011,673.76
  5. Step 5: Solve for x
    x = 18,095,011,673.76/121,682.29
  6. Step 6: Final answer
    x = 148,707.03

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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.