Home / 105,189.24-157,760.28-30,292.68

Finding the Fourth Proportional to 105,189.24, 157,760.28 and 30,292.68

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Solution

The fourth proportional to 105,189.24, 157,760.28 and 30,292.68 is: 45,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,189.24 : 157,760.28 = 30,292.68 : x
  2. Step 2: Convert to fraction form
    105,189.24/157,760.28 = 30,292.68/x
  3. Step 3: Cross multiply
    105,189.24x = 157,760.28 × 30,292.68
  4. Step 4: Simplify right side
    105,189.24x = 4,778,981,678.75
  5. Step 5: Solve for x
    x = 4,778,981,678.75/105,189.24
  6. Step 6: Final answer
    x = 45,432.23

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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.