Home / 106,995.39-160,355.75-40,356.15

Finding the Fourth Proportional to 106,995.39, 160,355.75 and 40,356.15

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Solution

The fourth proportional to 106,995.39, 160,355.75 and 40,356.15 is: 60,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,995.39 : 160,355.75 = 40,356.15 : x
  2. Step 2: Convert to fraction form
    106,995.39/160,355.75 = 40,356.15/x
  3. Step 3: Cross multiply
    106,995.39x = 160,355.75 × 40,356.15
  4. Step 4: Simplify right side
    106,995.39x = 6,471,340,498.58
  5. Step 5: Solve for x
    x = 6,471,340,498.58/106,995.39
  6. Step 6: Final answer
    x = 60,482.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.