Home / 107,993.16-149,012.12-62,660.76

Finding the Fourth Proportional to 107,993.16, 149,012.12 and 62,660.76

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Solution

The fourth proportional to 107,993.16, 149,012.12 and 62,660.76 is: 86,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,993.16 : 149,012.12 = 62,660.76 : x
  2. Step 2: Convert to fraction form
    107,993.16/149,012.12 = 62,660.76/x
  3. Step 3: Cross multiply
    107,993.16x = 149,012.12 × 62,660.76
  4. Step 4: Simplify right side
    107,993.16x = 9,337,212,688.41
  5. Step 5: Solve for x
    x = 9,337,212,688.41/107,993.16
  6. Step 6: Final answer
    x = 86,461.15

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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.