Home / 122,328.83-168,815.21-67,882.12

Finding the Fourth Proportional to 122,328.83, 168,815.21 and 67,882.12

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Solution

The fourth proportional to 122,328.83, 168,815.21 and 67,882.12 is: 93,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,328.83 : 168,815.21 = 67,882.12 : x
  2. Step 2: Convert to fraction form
    122,328.83/168,815.21 = 67,882.12/x
  3. Step 3: Cross multiply
    122,328.83x = 168,815.21 × 67,882.12
  4. Step 4: Simplify right side
    122,328.83x = 11,459,533,581.60
  5. Step 5: Solve for x
    x = 11,459,533,581.60/122,328.83
  6. Step 6: Final answer
    x = 93,678.11

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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.