Home / 212,265.99-293,061.51-131,778.92

Finding the Fourth Proportional to 212,265.99, 293,061.51 and 131,778.92

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Solution

The fourth proportional to 212,265.99, 293,061.51 and 131,778.92 is: 181,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,265.99 : 293,061.51 = 131,778.92 : x
  2. Step 2: Convert to fraction form
    212,265.99/293,061.51 = 131,778.92/x
  3. Step 3: Cross multiply
    212,265.99x = 293,061.51 × 131,778.92
  4. Step 4: Simplify right side
    212,265.99x = 38,619,330,014.02
  5. Step 5: Solve for x
    x = 38,619,330,014.02/212,265.99
  6. Step 6: Final answer
    x = 181,938.38

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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.