Home / 106,381.42-146,804.61-58,639.21

Finding the Fourth Proportional to 106,381.42, 146,804.61 and 58,639.21

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Solution

The fourth proportional to 106,381.42, 146,804.61 and 58,639.21 is: 80,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.42 : 146,804.61 = 58,639.21 : x
  2. Step 2: Convert to fraction form
    106,381.42/146,804.61 = 58,639.21/x
  3. Step 3: Cross multiply
    106,381.42x = 146,804.61 × 58,639.21
  4. Step 4: Simplify right side
    106,381.42x = 8,608,506,354.76
  5. Step 5: Solve for x
    x = 8,608,506,354.76/106,381.42
  6. Step 6: Final answer
    x = 80,921.15

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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.