Home / 154,820.21-232,228.13-42,500.30

Finding the Fourth Proportional to 154,820.21, 232,228.13 and 42,500.30

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Solution

The fourth proportional to 154,820.21, 232,228.13 and 42,500.30 is: 63,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,820.21 : 232,228.13 = 42,500.30 : x
  2. Step 2: Convert to fraction form
    154,820.21/232,228.13 = 42,500.30/x
  3. Step 3: Cross multiply
    154,820.21x = 232,228.13 × 42,500.30
  4. Step 4: Simplify right side
    154,820.21x = 9,869,763,819.80
  5. Step 5: Solve for x
    x = 9,869,763,819.80/154,820.21
  6. Step 6: Final answer
    x = 63,749.84

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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.