Home / 106,961.61-147,560.67-64,496.55

Finding the Fourth Proportional to 106,961.61, 147,560.67 and 64,496.55

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Solution

The fourth proportional to 106,961.61, 147,560.67 and 64,496.55 is: 88,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,961.61 : 147,560.67 = 64,496.55 : x
  2. Step 2: Convert to fraction form
    106,961.61/147,560.67 = 64,496.55/x
  3. Step 3: Cross multiply
    106,961.61x = 147,560.67 × 64,496.55
  4. Step 4: Simplify right side
    106,961.61x = 9,517,154,130.69
  5. Step 5: Solve for x
    x = 9,517,154,130.69/106,961.61
  6. Step 6: Final answer
    x = 88,977.29

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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.