Home / 107,690.18-148,587.06-90,527.81

Finding the Fourth Proportional to 107,690.18, 148,587.06 and 90,527.81

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Solution

The fourth proportional to 107,690.18, 148,587.06 and 90,527.81 is: 124,907.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,690.18 : 148,587.06 = 90,527.81 : x
  2. Step 2: Convert to fraction form
    107,690.18/148,587.06 = 90,527.81/x
  3. Step 3: Cross multiply
    107,690.18x = 148,587.06 × 90,527.81
  4. Step 4: Simplify right side
    107,690.18x = 13,451,261,136.14
  5. Step 5: Solve for x
    x = 13,451,261,136.14/107,690.18
  6. Step 6: Final answer
    x = 124,907.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.