Home / 112,070.94-154,657.89-61,083.72

Finding the Fourth Proportional to 112,070.94, 154,657.89 and 61,083.72

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Solution

The fourth proportional to 112,070.94, 154,657.89 and 61,083.72 is: 84,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,070.94 : 154,657.89 = 61,083.72 : x
  2. Step 2: Convert to fraction form
    112,070.94/154,657.89 = 61,083.72/x
  3. Step 3: Cross multiply
    112,070.94x = 154,657.89 × 61,083.72
  4. Step 4: Simplify right side
    112,070.94x = 9,447,079,248.55
  5. Step 5: Solve for x
    x = 9,447,079,248.55/112,070.94
  6. Step 6: Final answer
    x = 84,295.53

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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.