Home / 121,285.18-181,851.42-37,017.31

Finding the Fourth Proportional to 121,285.18, 181,851.42 and 37,017.31

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Solution

The fourth proportional to 121,285.18, 181,851.42 and 37,017.31 is: 55,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285.18 : 181,851.42 = 37,017.31 : x
  2. Step 2: Convert to fraction form
    121,285.18/181,851.42 = 37,017.31/x
  3. Step 3: Cross multiply
    121,285.18x = 181,851.42 × 37,017.31
  4. Step 4: Simplify right side
    121,285.18x = 6,731,650,388.08
  5. Step 5: Solve for x
    x = 6,731,650,388.08/121,285.18
  6. Step 6: Final answer
    x = 55,502.66

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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.