Home / 121,201.50-181,821.95-35,821.02

Finding the Fourth Proportional to 121,201.50, 181,821.95 and 35,821.02

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Solution

The fourth proportional to 121,201.50, 181,821.95 and 35,821.02 is: 53,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,201.50 : 181,821.95 = 35,821.02 : x
  2. Step 2: Convert to fraction form
    121,201.50/181,821.95 = 35,821.02/x
  3. Step 3: Cross multiply
    121,201.50x = 181,821.95 × 35,821.02
  4. Step 4: Simplify right side
    121,201.50x = 6,513,047,528.28
  5. Step 5: Solve for x
    x = 6,513,047,528.28/121,201.50
  6. Step 6: Final answer
    x = 53,737.35

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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.