Home / 121,472.01-181,834.18-79,261.29

Finding the Fourth Proportional to 121,472.01, 181,834.18 and 79,261.29

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Solution

The fourth proportional to 121,472.01, 181,834.18 and 79,261.29 is: 118,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,472.01 : 181,834.18 = 79,261.29 : x
  2. Step 2: Convert to fraction form
    121,472.01/181,834.18 = 79,261.29/x
  3. Step 3: Cross multiply
    121,472.01x = 181,834.18 × 79,261.29
  4. Step 4: Simplify right side
    121,472.01x = 14,412,411,672.89
  5. Step 5: Solve for x
    x = 14,412,411,672.89/121,472.01
  6. Step 6: Final answer
    x = 118,648.01

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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.