Home / 112,069.62-154,657.89-61,768.98

Finding the Fourth Proportional to 112,069.62, 154,657.89 and 61,768.98

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Solution

The fourth proportional to 112,069.62, 154,657.89 and 61,768.98 is: 85,242.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069.62 : 154,657.89 = 61,768.98 : x
  2. Step 2: Convert to fraction form
    112,069.62/154,657.89 = 61,768.98/x
  3. Step 3: Cross multiply
    112,069.62x = 154,657.89 × 61,768.98
  4. Step 4: Simplify right side
    112,069.62x = 9,553,060,114.25
  5. Step 5: Solve for x
    x = 9,553,060,114.25/112,069.62
  6. Step 6: Final answer
    x = 85,242.19

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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.