Home / 121,210.54-181,891.53-46,337.02

Finding the Fourth Proportional to 121,210.54, 181,891.53 and 46,337.02

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Solution

The fourth proportional to 121,210.54, 181,891.53 and 46,337.02 is: 69,534.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,210.54 : 181,891.53 = 46,337.02 : x
  2. Step 2: Convert to fraction form
    121,210.54/181,891.53 = 46,337.02/x
  3. Step 3: Cross multiply
    121,210.54x = 181,891.53 × 46,337.02
  4. Step 4: Simplify right side
    121,210.54x = 8,428,311,463.44
  5. Step 5: Solve for x
    x = 8,428,311,463.44/121,210.54
  6. Step 6: Final answer
    x = 69,534.48

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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.