Home / 106,815.32-160,238.93-39,342.22

Finding the Fourth Proportional to 106,815.32, 160,238.93 and 39,342.22

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Solution

The fourth proportional to 106,815.32, 160,238.93 and 39,342.22 is: 59,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,815.32 : 160,238.93 = 39,342.22 : x
  2. Step 2: Convert to fraction form
    106,815.32/160,238.93 = 39,342.22/x
  3. Step 3: Cross multiply
    106,815.32x = 160,238.93 × 39,342.22
  4. Step 4: Simplify right side
    106,815.32x = 6,304,154,639.32
  5. Step 5: Solve for x
    x = 6,304,154,639.32/106,815.32
  6. Step 6: Final answer
    x = 59,019.20

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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.