Home / 112,182.18-154,806.84-61,881.18

Finding the Fourth Proportional to 112,182.18, 154,806.84 and 61,881.18

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Solution

The fourth proportional to 112,182.18, 154,806.84 and 61,881.18 is: 85,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,182.18 : 154,806.84 = 61,881.18 : x
  2. Step 2: Convert to fraction form
    112,182.18/154,806.84 = 61,881.18/x
  3. Step 3: Cross multiply
    112,182.18x = 154,806.84 × 61,881.18
  4. Step 4: Simplify right side
    112,182.18x = 9,579,629,931.27
  5. Step 5: Solve for x
    x = 9,579,629,931.27/112,182.18
  6. Step 6: Final answer
    x = 85,393.51

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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.