Home / 112,013.18-154,577.72-61,025.75

Finding the Fourth Proportional to 112,013.18, 154,577.72 and 61,025.75

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Solution

The fourth proportional to 112,013.18, 154,577.72 and 61,025.75 is: 84,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,013.18 : 154,577.72 = 61,025.75 : x
  2. Step 2: Convert to fraction form
    112,013.18/154,577.72 = 61,025.75/x
  3. Step 3: Cross multiply
    112,013.18x = 154,577.72 × 61,025.75
  4. Step 4: Simplify right side
    112,013.18x = 9,433,220,991.16
  5. Step 5: Solve for x
    x = 9,433,220,991.16/112,013.18
  6. Step 6: Final answer
    x = 84,215.28

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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.