Home / 212,277.88-318,154.36-107,126.92

Finding the Fourth Proportional to 212,277.88, 318,154.36 and 107,126.92

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Solution

The fourth proportional to 212,277.88, 318,154.36 and 107,126.92 is: 160,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,277.88 : 318,154.36 = 107,126.92 : x
  2. Step 2: Convert to fraction form
    212,277.88/318,154.36 = 107,126.92/x
  3. Step 3: Cross multiply
    212,277.88x = 318,154.36 × 107,126.92
  4. Step 4: Simplify right side
    212,277.88x = 34,082,896,671.37
  5. Step 5: Solve for x
    x = 34,082,896,671.37/212,277.88
  6. Step 6: Final answer
    x = 160,557.93

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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.