Home / 112,329.45-155,724.39-106,337.07

Finding the Fourth Proportional to 112,329.45, 155,724.39 and 106,337.07

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Solution

The fourth proportional to 112,329.45, 155,724.39 and 106,337.07 is: 147,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329.45 : 155,724.39 = 106,337.07 : x
  2. Step 2: Convert to fraction form
    112,329.45/155,724.39 = 106,337.07/x
  3. Step 3: Cross multiply
    112,329.45x = 155,724.39 × 106,337.07
  4. Step 4: Simplify right side
    112,329.45x = 16,559,275,360.14
  5. Step 5: Solve for x
    x = 16,559,275,360.14/112,329.45
  6. Step 6: Final answer
    x = 147,417.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.