Home / 112,144.06-154,758.34-61,156.65

Finding the Fourth Proportional to 112,144.06, 154,758.34 and 61,156.65

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Solution

The fourth proportional to 112,144.06, 154,758.34 and 61,156.65 is: 84,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,144.06 : 154,758.34 = 61,156.65 : x
  2. Step 2: Convert to fraction form
    112,144.06/154,758.34 = 61,156.65/x
  3. Step 3: Cross multiply
    112,144.06x = 154,758.34 × 61,156.65
  4. Step 4: Simplify right side
    112,144.06x = 9,464,502,290.75
  5. Step 5: Solve for x
    x = 9,464,502,290.75/112,144.06
  6. Step 6: Final answer
    x = 84,395.93

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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.