Home / 105,489.99-158,233.77-42,326.19

Finding the Fourth Proportional to 105,489.99, 158,233.77 and 42,326.19

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Solution

The fourth proportional to 105,489.99, 158,233.77 and 42,326.19 is: 63,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,489.99 : 158,233.77 = 42,326.19 : x
  2. Step 2: Convert to fraction form
    105,489.99/158,233.77 = 42,326.19/x
  3. Step 3: Cross multiply
    105,489.99x = 158,233.77 × 42,326.19
  4. Step 4: Simplify right side
    105,489.99x = 6,697,432,613.44
  5. Step 5: Solve for x
    x = 6,697,432,613.44/105,489.99
  6. Step 6: Final answer
    x = 63,488.80

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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.