Home / 121,047.59-181,576.25-42,169.79

Finding the Fourth Proportional to 121,047.59, 181,576.25 and 42,169.79

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Solution

The fourth proportional to 121,047.59, 181,576.25 and 42,169.79 is: 63,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,047.59 : 181,576.25 = 42,169.79 : x
  2. Step 2: Convert to fraction form
    121,047.59/181,576.25 = 42,169.79/x
  3. Step 3: Cross multiply
    121,047.59x = 181,576.25 × 42,169.79
  4. Step 4: Simplify right side
    121,047.59x = 7,657,031,212.76
  5. Step 5: Solve for x
    x = 7,657,031,212.76/121,047.59
  6. Step 6: Final answer
    x = 63,256.37

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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.