Home / 105,126.88-157,605.18-71,762.92

Finding the Fourth Proportional to 105,126.88, 157,605.18 and 71,762.92

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Solution

The fourth proportional to 105,126.88, 157,605.18 and 71,762.92 is: 107,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,126.88 : 157,605.18 = 71,762.92 : x
  2. Step 2: Convert to fraction form
    105,126.88/157,605.18 = 71,762.92/x
  3. Step 3: Cross multiply
    105,126.88x = 157,605.18 × 71,762.92
  4. Step 4: Simplify right side
    105,126.88x = 11,310,207,923.93
  5. Step 5: Solve for x
    x = 11,310,207,923.93/105,126.88
  6. Step 6: Final answer
    x = 107,586.26

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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.