Home / 159,011.20-238,515.12-40,681.60

Finding the Fourth Proportional to 159,011.20, 238,515.12 and 40,681.60

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Solution

The fourth proportional to 159,011.20, 238,515.12 and 40,681.60 is: 61,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,011.20 : 238,515.12 = 40,681.60 : x
  2. Step 2: Convert to fraction form
    159,011.20/238,515.12 = 40,681.60/x
  3. Step 3: Cross multiply
    159,011.20x = 238,515.12 × 40,681.60
  4. Step 4: Simplify right side
    159,011.20x = 9,703,176,705.79
  5. Step 5: Solve for x
    x = 9,703,176,705.79/159,011.20
  6. Step 6: Final answer
    x = 61,021.97

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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.