Home / 112,176.25-154,814.16-61,875.25

Finding the Fourth Proportional to 112,176.25, 154,814.16 and 61,875.25

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Solution

The fourth proportional to 112,176.25, 154,814.16 and 61,875.25 is: 85,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,176.25 : 154,814.16 = 61,875.25 : x
  2. Step 2: Convert to fraction form
    112,176.25/154,814.16 = 61,875.25/x
  3. Step 3: Cross multiply
    112,176.25x = 154,814.16 × 61,875.25
  4. Step 4: Simplify right side
    112,176.25x = 9,579,164,853.54
  5. Step 5: Solve for x
    x = 9,579,164,853.54/112,176.25
  6. Step 6: Final answer
    x = 85,393.88

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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.