Home / 112,541.79-155,306.41-61,555.98

Finding the Fourth Proportional to 112,541.79, 155,306.41 and 61,555.98

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Solution

The fourth proportional to 112,541.79, 155,306.41 and 61,555.98 is: 84,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.79 : 155,306.41 = 61,555.98 : x
  2. Step 2: Convert to fraction form
    112,541.79/155,306.41 = 61,555.98/x
  3. Step 3: Cross multiply
    112,541.79x = 155,306.41 × 61,555.98
  4. Step 4: Simplify right side
    112,541.79x = 9,560,037,960.05
  5. Step 5: Solve for x
    x = 9,560,037,960.05/112,541.79
  6. Step 6: Final answer
    x = 84,946.56

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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.