Home / 106,319.04-159,507.60-31,442.88

Finding the Fourth Proportional to 106,319.04, 159,507.60 and 31,442.88

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Solution

The fourth proportional to 106,319.04, 159,507.60 and 31,442.88 is: 47,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,319.04 : 159,507.60 = 31,442.88 : x
  2. Step 2: Convert to fraction form
    106,319.04/159,507.60 = 31,442.88/x
  3. Step 3: Cross multiply
    106,319.04x = 159,507.60 × 31,442.88
  4. Step 4: Simplify right side
    106,319.04x = 5,015,378,325.89
  5. Step 5: Solve for x
    x = 5,015,378,325.89/106,319.04
  6. Step 6: Final answer
    x = 47,172.91

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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.