Home / 107,431.40-161,147.10-48,295.40

Finding the Fourth Proportional to 107,431.40, 161,147.10 and 48,295.40

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Solution

The fourth proportional to 107,431.40, 161,147.10 and 48,295.40 is: 72,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,431.40 : 161,147.10 = 48,295.40 : x
  2. Step 2: Convert to fraction form
    107,431.40/161,147.10 = 48,295.40/x
  3. Step 3: Cross multiply
    107,431.40x = 161,147.10 × 48,295.40
  4. Step 4: Simplify right side
    107,431.40x = 7,782,663,653.34
  5. Step 5: Solve for x
    x = 7,782,663,653.34/107,431.40
  6. Step 6: Final answer
    x = 72,443.10

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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.