Home / 112,182.12-154,799.37-61,881.12

Finding the Fourth Proportional to 112,182.12, 154,799.37 and 61,881.12

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Solution

The fourth proportional to 112,182.12, 154,799.37 and 61,881.12 is: 85,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,182.12 : 154,799.37 = 61,881.12 : x
  2. Step 2: Convert to fraction form
    112,182.12/154,799.37 = 61,881.12/x
  3. Step 3: Cross multiply
    112,182.12x = 154,799.37 × 61,881.12
  4. Step 4: Simplify right side
    112,182.12x = 9,579,158,390.89
  5. Step 5: Solve for x
    x = 9,579,158,390.89/112,182.12
  6. Step 6: Final answer
    x = 85,389.35

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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.