Home / 121,267.86-181,777.42-54,754.71

Finding the Fourth Proportional to 121,267.86, 181,777.42 and 54,754.71

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Solution

The fourth proportional to 121,267.86, 181,777.42 and 54,754.71 is: 82,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,267.86 : 181,777.42 = 54,754.71 : x
  2. Step 2: Convert to fraction form
    121,267.86/181,777.42 = 54,754.71/x
  3. Step 3: Cross multiply
    121,267.86x = 181,777.42 × 54,754.71
  4. Step 4: Simplify right side
    121,267.86x = 9,953,169,916.65
  5. Step 5: Solve for x
    x = 9,953,169,916.65/121,267.86
  6. Step 6: Final answer
    x = 82,075.91

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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.