Home / 106,639.66-147,162.81-58,242.25

Finding the Fourth Proportional to 106,639.66, 147,162.81 and 58,242.25

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Solution

The fourth proportional to 106,639.66, 147,162.81 and 58,242.25 is: 80,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,639.66 : 147,162.81 = 58,242.25 : x
  2. Step 2: Convert to fraction form
    106,639.66/147,162.81 = 58,242.25/x
  3. Step 3: Cross multiply
    106,639.66x = 147,162.81 × 58,242.25
  4. Step 4: Simplify right side
    106,639.66x = 8,571,093,170.72
  5. Step 5: Solve for x
    x = 8,571,093,170.72/106,639.66
  6. Step 6: Final answer
    x = 80,374.35

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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.