Home / 105,423.93-158,197.75-38,910.42

Finding the Fourth Proportional to 105,423.93, 158,197.75 and 38,910.42

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Solution

The fourth proportional to 105,423.93, 158,197.75 and 38,910.42 is: 58,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,423.93 : 158,197.75 = 38,910.42 : x
  2. Step 2: Convert to fraction form
    105,423.93/158,197.75 = 38,910.42/x
  3. Step 3: Cross multiply
    105,423.93x = 158,197.75 × 38,910.42
  4. Step 4: Simplify right side
    105,423.93x = 6,155,540,798.28
  5. Step 5: Solve for x
    x = 6,155,540,798.28/105,423.93
  6. Step 6: Final answer
    x = 58,388.46

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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.