Home / 212,520.64-293,278.91-117,027.51

Finding the Fourth Proportional to 212,520.64, 293,278.91 and 117,027.51

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Solution

The fourth proportional to 212,520.64, 293,278.91 and 117,027.51 is: 161,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,520.64 : 293,278.91 = 117,027.51 : x
  2. Step 2: Convert to fraction form
    212,520.64/293,278.91 = 117,027.51/x
  3. Step 3: Cross multiply
    212,520.64x = 293,278.91 × 117,027.51
  4. Step 4: Simplify right side
    212,520.64x = 34,321,700,572.81
  5. Step 5: Solve for x
    x = 34,321,700,572.81/212,520.64
  6. Step 6: Final answer
    x = 161,498.20

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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.