Home / 112,064.28-154,644.75-61,076.00

Finding the Fourth Proportional to 112,064.28, 154,644.75 and 61,076.00

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Solution

The fourth proportional to 112,064.28, 154,644.75 and 61,076.00 is: 84,282.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.28 : 154,644.75 = 61,076.00 : x
  2. Step 2: Convert to fraction form
    112,064.28/154,644.75 = 61,076.00/x
  3. Step 3: Cross multiply
    112,064.28x = 154,644.75 × 61,076.00
  4. Step 4: Simplify right side
    112,064.28x = 9,445,081,977.78
  5. Step 5: Solve for x
    x = 9,445,081,977.78/112,064.28
  6. Step 6: Final answer
    x = 84,282.72

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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.