Home / 121,077.06-181,616.67-42,191.16

Finding the Fourth Proportional to 121,077.06, 181,616.67 and 42,191.16

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Solution

The fourth proportional to 121,077.06, 181,616.67 and 42,191.16 is: 63,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,077.06 : 181,616.67 = 42,191.16 : x
  2. Step 2: Convert to fraction form
    121,077.06/181,616.67 = 42,191.16/x
  3. Step 3: Cross multiply
    121,077.06x = 181,616.67 × 42,191.16
  4. Step 4: Simplify right side
    121,077.06x = 7,662,617,982.64
  5. Step 5: Solve for x
    x = 7,662,617,982.64/121,077.06
  6. Step 6: Final answer
    x = 63,287.12

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1.5x scale

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.