Home / 122,000.48-168,360.65-68,285.50

Finding the Fourth Proportional to 122,000.48, 168,360.65 and 68,285.50

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Solution

The fourth proportional to 122,000.48, 168,360.65 and 68,285.50 is: 94,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,000.48 : 168,360.65 = 68,285.50 : x
  2. Step 2: Convert to fraction form
    122,000.48/168,360.65 = 68,285.50/x
  3. Step 3: Cross multiply
    122,000.48x = 168,360.65 × 68,285.50
  4. Step 4: Simplify right side
    122,000.48x = 11,496,591,165.58
  5. Step 5: Solve for x
    x = 11,496,591,165.58/122,000.48
  6. Step 6: Final answer
    x = 94,233.98

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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.