Home / 212,712.16-293,544.72-117,222.28

Finding the Fourth Proportional to 212,712.16, 293,544.72 and 117,222.28

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Solution

The fourth proportional to 212,712.16, 293,544.72 and 117,222.28 is: 161,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,712.16 : 293,544.72 = 117,222.28 : x
  2. Step 2: Convert to fraction form
    212,712.16/293,544.72 = 117,222.28/x
  3. Step 3: Cross multiply
    212,712.16x = 293,544.72 × 117,222.28
  4. Step 4: Simplify right side
    212,712.16x = 34,409,981,360.36
  5. Step 5: Solve for x
    x = 34,409,981,360.36/212,712.16
  6. Step 6: Final answer
    x = 161,767.82

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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.