Home / 212,519.21-293,275.05-117,025.13

Finding the Fourth Proportional to 212,519.21, 293,275.05 and 117,025.13

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Solution

The fourth proportional to 212,519.21, 293,275.05 and 117,025.13 is: 161,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,519.21 : 293,275.05 = 117,025.13 : x
  2. Step 2: Convert to fraction form
    212,519.21/293,275.05 = 117,025.13/x
  3. Step 3: Cross multiply
    212,519.21x = 293,275.05 × 117,025.13
  4. Step 4: Simplify right side
    212,519.21x = 34,320,549,385.63
  5. Step 5: Solve for x
    x = 34,320,549,385.63/212,519.21
  6. Step 6: Final answer
    x = 161,493.87

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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.