Home / 155,298.06-214,027.11-112,782.78

Finding the Fourth Proportional to 155,298.06, 214,027.11 and 112,782.78

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Solution

The fourth proportional to 155,298.06, 214,027.11 and 112,782.78 is: 155,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,298.06 : 214,027.11 = 112,782.78 : x
  2. Step 2: Convert to fraction form
    155,298.06/214,027.11 = 112,782.78/x
  3. Step 3: Cross multiply
    155,298.06x = 214,027.11 × 112,782.78
  4. Step 4: Simplify right side
    155,298.06x = 24,138,572,461.17
  5. Step 5: Solve for x
    x = 24,138,572,461.17/155,298.06
  6. Step 6: Final answer
    x = 155,433.83

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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.