Home / 112,989.03-155,924.73-62,002.05

Finding the Fourth Proportional to 112,989.03, 155,924.73 and 62,002.05

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Solution

The fourth proportional to 112,989.03, 155,924.73 and 62,002.05 is: 85,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,989.03 : 155,924.73 = 62,002.05 : x
  2. Step 2: Convert to fraction form
    112,989.03/155,924.73 = 62,002.05/x
  3. Step 3: Cross multiply
    112,989.03x = 155,924.73 × 62,002.05
  4. Step 4: Simplify right side
    112,989.03x = 9,667,652,905.70
  5. Step 5: Solve for x
    x = 9,667,652,905.70/112,989.03
  6. Step 6: Final answer
    x = 85,562.76

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1.5x scale

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.