Home / 122,295.28-168,695.98-76,901.40

Finding the Fourth Proportional to 122,295.28, 168,695.98 and 76,901.40

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Solution

The fourth proportional to 122,295.28, 168,695.98 and 76,901.40 is: 106,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,295.28 : 168,695.98 = 76,901.40 : x
  2. Step 2: Convert to fraction form
    122,295.28/168,695.98 = 76,901.40/x
  3. Step 3: Cross multiply
    122,295.28x = 168,695.98 × 76,901.40
  4. Step 4: Simplify right side
    122,295.28x = 12,972,957,036.37
  5. Step 5: Solve for x
    x = 12,972,957,036.37/122,295.28
  6. Step 6: Final answer
    x = 106,078.97

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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.