Home / 122,444.10-168,989.91-68,008.50

Finding the Fourth Proportional to 122,444.10, 168,989.91 and 68,008.50

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Solution

The fourth proportional to 122,444.10, 168,989.91 and 68,008.50 is: 93,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,444.10 : 168,989.91 = 68,008.50 : x
  2. Step 2: Convert to fraction form
    122,444.10/168,989.91 = 68,008.50/x
  3. Step 3: Cross multiply
    122,444.10x = 168,989.91 × 68,008.50
  4. Step 4: Simplify right side
    122,444.10x = 11,492,750,294.24
  5. Step 5: Solve for x
    x = 11,492,750,294.24/122,444.10
  6. Step 6: Final answer
    x = 93,861.20

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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.