Home / 122,312.17-168,799.37-67,882.15

Finding the Fourth Proportional to 122,312.17, 168,799.37 and 67,882.15

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Solution

The fourth proportional to 122,312.17, 168,799.37 and 67,882.15 is: 93,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,312.17 : 168,799.37 = 67,882.15 : x
  2. Step 2: Convert to fraction form
    122,312.17/168,799.37 = 67,882.15/x
  3. Step 3: Cross multiply
    122,312.17x = 168,799.37 × 67,882.15
  4. Step 4: Simplify right side
    122,312.17x = 11,458,464,154.25
  5. Step 5: Solve for x
    x = 11,458,464,154.25/122,312.17
  6. Step 6: Final answer
    x = 93,682.13

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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.