Home / 212,616.29-293,411.21-117,122.76

Finding the Fourth Proportional to 212,616.29, 293,411.21 and 117,122.76

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Solution

The fourth proportional to 212,616.29, 293,411.21 and 117,122.76 is: 161,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,616.29 : 293,411.21 = 117,122.76 : x
  2. Step 2: Convert to fraction form
    212,616.29/293,411.21 = 117,122.76/x
  3. Step 3: Cross multiply
    212,616.29x = 293,411.21 × 117,122.76
  4. Step 4: Simplify right side
    212,616.29x = 34,365,130,144.53
  5. Step 5: Solve for x
    x = 34,365,130,144.53/212,616.29
  6. Step 6: Final answer
    x = 161,629.81

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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.