Home / 121,332.28-181,883.22-42,395.08

Finding the Fourth Proportional to 121,332.28, 181,883.22 and 42,395.08

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Solution

The fourth proportional to 121,332.28, 181,883.22 and 42,395.08 is: 63,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,332.28 : 181,883.22 = 42,395.08 : x
  2. Step 2: Convert to fraction form
    121,332.28/181,883.22 = 42,395.08/x
  3. Step 3: Cross multiply
    121,332.28x = 181,883.22 × 42,395.08
  4. Step 4: Simplify right side
    121,332.28x = 7,710,953,662.56
  5. Step 5: Solve for x
    x = 7,710,953,662.56/121,332.28
  6. Step 6: Final answer
    x = 63,552.37

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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.