Home / 121,047.46-181,576.08-42,169.66

Finding the Fourth Proportional to 121,047.46, 181,576.08 and 42,169.66

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Solution

The fourth proportional to 121,047.46, 181,576.08 and 42,169.66 is: 63,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,047.46 : 181,576.08 = 42,169.66 : x
  2. Step 2: Convert to fraction form
    121,047.46/181,576.08 = 42,169.66/x
  3. Step 3: Cross multiply
    121,047.46x = 181,576.08 × 42,169.66
  4. Step 4: Simplify right side
    121,047.46x = 7,657,001,557.73
  5. Step 5: Solve for x
    x = 7,657,001,557.73/121,047.46
  6. Step 6: Final answer
    x = 63,256.19

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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.