Home / 131,422.71-181,363.16-70,993.34

Finding the Fourth Proportional to 131,422.71, 181,363.16 and 70,993.34

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Solution

The fourth proportional to 131,422.71, 181,363.16 and 70,993.34 is: 97,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,422.71 : 181,363.16 = 70,993.34 : x
  2. Step 2: Convert to fraction form
    131,422.71/181,363.16 = 70,993.34/x
  3. Step 3: Cross multiply
    131,422.71x = 181,363.16 × 70,993.34
  4. Step 4: Simplify right side
    131,422.71x = 12,875,576,481.35
  5. Step 5: Solve for x
    x = 12,875,576,481.35/131,422.71
  6. Step 6: Final answer
    x = 97,970.71

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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.