Home / 154,982.60-213,820.98-101,298.57

Finding the Fourth Proportional to 154,982.60, 213,820.98 and 101,298.57

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Solution

The fourth proportional to 154,982.60, 213,820.98 and 101,298.57 is: 139,756.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,982.60 : 213,820.98 = 101,298.57 : x
  2. Step 2: Convert to fraction form
    154,982.60/213,820.98 = 101,298.57/x
  3. Step 3: Cross multiply
    154,982.60x = 213,820.98 × 101,298.57
  4. Step 4: Simplify right side
    154,982.60x = 21,659,758,898.10
  5. Step 5: Solve for x
    x = 21,659,758,898.10/154,982.60
  6. Step 6: Final answer
    x = 139,756.07

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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.