Home / 212,628.64-293,426.16-117,133.12

Finding the Fourth Proportional to 212,628.64, 293,426.16 and 117,133.12

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Solution

The fourth proportional to 212,628.64, 293,426.16 and 117,133.12 is: 161,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,628.64 : 293,426.16 = 117,133.12 : x
  2. Step 2: Convert to fraction form
    212,628.64/293,426.16 = 117,133.12/x
  3. Step 3: Cross multiply
    212,628.64x = 293,426.16 × 117,133.12
  4. Step 4: Simplify right side
    212,628.64x = 34,369,921,610.42
  5. Step 5: Solve for x
    x = 34,369,921,610.42/212,628.64
  6. Step 6: Final answer
    x = 161,642.95

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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.