Home / 121,325.20-181,955.40-37,085.20

Finding the Fourth Proportional to 121,325.20, 181,955.40 and 37,085.20

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Solution

The fourth proportional to 121,325.20, 181,955.40 and 37,085.20 is: 55,617.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.20 : 181,955.40 = 37,085.20 : x
  2. Step 2: Convert to fraction form
    121,325.20/181,955.40 = 37,085.20/x
  3. Step 3: Cross multiply
    121,325.20x = 181,955.40 × 37,085.20
  4. Step 4: Simplify right side
    121,325.20x = 6,747,852,400.08
  5. Step 5: Solve for x
    x = 6,747,852,400.08/121,325.20
  6. Step 6: Final answer
    x = 55,617.90

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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.