Home / 100,860.27-151,291.22-34,315.53

Finding the Fourth Proportional to 100,860.27, 151,291.22 and 34,315.53

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Solution

The fourth proportional to 100,860.27, 151,291.22 and 34,315.53 is: 51,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,860.27 : 151,291.22 = 34,315.53 : x
  2. Step 2: Convert to fraction form
    100,860.27/151,291.22 = 34,315.53/x
  3. Step 3: Cross multiply
    100,860.27x = 151,291.22 × 34,315.53
  4. Step 4: Simplify right side
    100,860.27x = 5,191,638,398.65
  5. Step 5: Solve for x
    x = 5,191,638,398.65/100,860.27
  6. Step 6: Final answer
    x = 51,473.57

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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.