Home / 212,378.18-293,066.78-126,332.42

Finding the Fourth Proportional to 212,378.18, 293,066.78 and 126,332.42

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Solution

The fourth proportional to 212,378.18, 293,066.78 and 126,332.42 is: 174,329.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,378.18 : 293,066.78 = 126,332.42 : x
  2. Step 2: Convert to fraction form
    212,378.18/293,066.78 = 126,332.42/x
  3. Step 3: Cross multiply
    212,378.18x = 293,066.78 × 126,332.42
  4. Step 4: Simplify right side
    212,378.18x = 37,023,835,539.01
  5. Step 5: Solve for x
    x = 37,023,835,539.01/212,378.18
  6. Step 6: Final answer
    x = 174,329.75

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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.