Home / 105,514.74-158,221.08-38,986.20

Finding the Fourth Proportional to 105,514.74, 158,221.08 and 38,986.20

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Solution

The fourth proportional to 105,514.74, 158,221.08 and 38,986.20 is: 58,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514.74 : 158,221.08 = 38,986.20 : x
  2. Step 2: Convert to fraction form
    105,514.74/158,221.08 = 38,986.20/x
  3. Step 3: Cross multiply
    105,514.74x = 158,221.08 × 38,986.20
  4. Step 4: Simplify right side
    105,514.74x = 6,168,438,669.10
  5. Step 5: Solve for x
    x = 6,168,438,669.10/105,514.74
  6. Step 6: Final answer
    x = 58,460.45

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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.