Home / 121,002.18-181,392.57-50,886.42

Finding the Fourth Proportional to 121,002.18, 181,392.57 and 50,886.42

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Solution

The fourth proportional to 121,002.18, 181,392.57 and 50,886.42 is: 76,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,002.18 : 181,392.57 = 50,886.42 : x
  2. Step 2: Convert to fraction form
    121,002.18/181,392.57 = 50,886.42/x
  3. Step 3: Cross multiply
    121,002.18x = 181,392.57 × 50,886.42
  4. Step 4: Simplify right side
    121,002.18x = 9,230,418,501.90
  5. Step 5: Solve for x
    x = 9,230,418,501.90/121,002.18
  6. Step 6: Final answer
    x = 76,283.08

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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.