Home / 112,302.15-154,970.32-61,304.73

Finding the Fourth Proportional to 112,302.15, 154,970.32 and 61,304.73

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Solution

The fourth proportional to 112,302.15, 154,970.32 and 61,304.73 is: 84,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,302.15 : 154,970.32 = 61,304.73 : x
  2. Step 2: Convert to fraction form
    112,302.15/154,970.32 = 61,304.73/x
  3. Step 3: Cross multiply
    112,302.15x = 154,970.32 × 61,304.73
  4. Step 4: Simplify right side
    112,302.15x = 9,500,413,625.61
  5. Step 5: Solve for x
    x = 9,500,413,625.61/112,302.15
  6. Step 6: Final answer
    x = 84,596.90

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1.5x scale

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.