Home / 105,419.76-158,150.79-38,860.23

Finding the Fourth Proportional to 105,419.76, 158,150.79 and 38,860.23

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Solution

The fourth proportional to 105,419.76, 158,150.79 and 38,860.23 is: 58,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,419.76 : 158,150.79 = 38,860.23 : x
  2. Step 2: Convert to fraction form
    105,419.76/158,150.79 = 38,860.23/x
  3. Step 3: Cross multiply
    105,419.76x = 158,150.79 × 38,860.23
  4. Step 4: Simplify right side
    105,419.76x = 6,145,776,074.08
  5. Step 5: Solve for x
    x = 6,145,776,074.08/105,419.76
  6. Step 6: Final answer
    x = 58,298.14

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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.