Home / 121,158.72-181,767.24-51,058.08

Finding the Fourth Proportional to 121,158.72, 181,767.24 and 51,058.08

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Solution

The fourth proportional to 121,158.72, 181,767.24 and 51,058.08 is: 76,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,158.72 : 181,767.24 = 51,058.08 : x
  2. Step 2: Convert to fraction form
    121,158.72/181,767.24 = 51,058.08/x
  3. Step 3: Cross multiply
    121,158.72x = 181,767.24 × 51,058.08
  4. Step 4: Simplify right side
    121,158.72x = 9,280,686,281.30
  5. Step 5: Solve for x
    x = 9,280,686,281.30/121,158.72
  6. Step 6: Final answer
    x = 76,599.41

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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.