Home / 122,056.20-168,430.12-67,605.14

Finding the Fourth Proportional to 122,056.20, 168,430.12 and 67,605.14

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Solution

The fourth proportional to 122,056.20, 168,430.12 and 67,605.14 is: 93,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,056.20 : 168,430.12 = 67,605.14 : x
  2. Step 2: Convert to fraction form
    122,056.20/168,430.12 = 67,605.14/x
  3. Step 3: Cross multiply
    122,056.20x = 168,430.12 × 67,605.14
  4. Step 4: Simplify right side
    122,056.20x = 11,386,741,842.82
  5. Step 5: Solve for x
    x = 11,386,741,842.82/122,056.20
  6. Step 6: Final answer
    x = 93,290.97

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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.