Home / 112,151.98-154,769.87-61,164.79

Finding the Fourth Proportional to 112,151.98, 154,769.87 and 61,164.79

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Solution

The fourth proportional to 112,151.98, 154,769.87 and 61,164.79 is: 84,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,151.98 : 154,769.87 = 61,164.79 : x
  2. Step 2: Convert to fraction form
    112,151.98/154,769.87 = 61,164.79/x
  3. Step 3: Cross multiply
    112,151.98x = 154,769.87 × 61,164.79
  4. Step 4: Simplify right side
    112,151.98x = 9,466,466,596.88
  5. Step 5: Solve for x
    x = 9,466,466,596.88/112,151.98
  6. Step 6: Final answer
    x = 84,407.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.