Home / 130,306.60-179,803.98-72,942.94

Finding the Fourth Proportional to 130,306.60, 179,803.98 and 72,942.94

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Solution

The fourth proportional to 130,306.60, 179,803.98 and 72,942.94 is: 100,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,306.60 : 179,803.98 = 72,942.94 : x
  2. Step 2: Convert to fraction form
    130,306.60/179,803.98 = 72,942.94/x
  3. Step 3: Cross multiply
    130,306.60x = 179,803.98 × 72,942.94
  4. Step 4: Simplify right side
    130,306.60x = 13,115,430,924.90
  5. Step 5: Solve for x
    x = 13,115,430,924.90/130,306.60
  6. Step 6: Final answer
    x = 100,650.55

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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.