Home / 122,864.50-184,060.40-75,340.88

Finding the Fourth Proportional to 122,864.50, 184,060.40 and 75,340.88

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Solution

The fourth proportional to 122,864.50, 184,060.40 and 75,340.88 is: 112,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,864.50 : 184,060.40 = 75,340.88 : x
  2. Step 2: Convert to fraction form
    122,864.50/184,060.40 = 75,340.88/x
  3. Step 3: Cross multiply
    122,864.50x = 184,060.40 × 75,340.88
  4. Step 4: Simplify right side
    122,864.50x = 13,867,272,509.15
  5. Step 5: Solve for x
    x = 13,867,272,509.15/122,864.50
  6. Step 6: Final answer
    x = 112,866.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.