Home / 107,246.72-148,018.18-59,515.45

Finding the Fourth Proportional to 107,246.72, 148,018.18 and 59,515.45

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Solution

The fourth proportional to 107,246.72, 148,018.18 and 59,515.45 is: 82,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,246.72 : 148,018.18 = 59,515.45 : x
  2. Step 2: Convert to fraction form
    107,246.72/148,018.18 = 59,515.45/x
  3. Step 3: Cross multiply
    107,246.72x = 148,018.18 × 59,515.45
  4. Step 4: Simplify right side
    107,246.72x = 8,809,368,590.88
  5. Step 5: Solve for x
    x = 8,809,368,590.88/107,246.72
  6. Step 6: Final answer
    x = 82,141.15

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1.5x scale

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.