Home / 212,720.40-293,552.76-117,227.16

Finding the Fourth Proportional to 212,720.40, 293,552.76 and 117,227.16

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Solution

The fourth proportional to 212,720.40, 293,552.76 and 117,227.16 is: 161,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,720.40 : 293,552.76 = 117,227.16 : x
  2. Step 2: Convert to fraction form
    212,720.40/293,552.76 = 117,227.16/x
  3. Step 3: Cross multiply
    212,720.40x = 293,552.76 × 117,227.16
  4. Step 4: Simplify right side
    212,720.40x = 34,412,356,364.96
  5. Step 5: Solve for x
    x = 34,412,356,364.96/212,720.40
  6. Step 6: Final answer
    x = 161,772.71

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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.