Home / 112,084.64-154,677.84-61,785.44

Finding the Fourth Proportional to 112,084.64, 154,677.84 and 61,785.44

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Solution

The fourth proportional to 112,084.64, 154,677.84 and 61,785.44 is: 85,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,084.64 : 154,677.84 = 61,785.44 : x
  2. Step 2: Convert to fraction form
    112,084.64/154,677.84 = 61,785.44/x
  3. Step 3: Cross multiply
    112,084.64x = 154,677.84 × 61,785.44
  4. Step 4: Simplify right side
    112,084.64x = 9,556,838,402.65
  5. Step 5: Solve for x
    x = 9,556,838,402.65/112,084.64
  6. Step 6: Final answer
    x = 85,264.48

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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.