Home / 121,335.20-181,970.40-37,095.20

Finding the Fourth Proportional to 121,335.20, 181,970.40 and 37,095.20

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Solution

The fourth proportional to 121,335.20, 181,970.40 and 37,095.20 is: 55,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,335.20 : 181,970.40 = 37,095.20 : x
  2. Step 2: Convert to fraction form
    121,335.20/181,970.40 = 37,095.20/x
  3. Step 3: Cross multiply
    121,335.20x = 181,970.40 × 37,095.20
  4. Step 4: Simplify right side
    121,335.20x = 6,750,228,382.08
  5. Step 5: Solve for x
    x = 6,750,228,382.08/121,335.20
  6. Step 6: Final answer
    x = 55,632.89

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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.