Home / 212,678.31-293,509.17-117,184.98

Finding the Fourth Proportional to 212,678.31, 293,509.17 and 117,184.98

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Solution

The fourth proportional to 212,678.31, 293,509.17 and 117,184.98 is: 161,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,678.31 : 293,509.17 = 117,184.98 : x
  2. Step 2: Convert to fraction form
    212,678.31/293,509.17 = 117,184.98/x
  3. Step 3: Cross multiply
    212,678.31x = 293,509.17 × 117,184.98
  4. Step 4: Simplify right side
    212,678.31x = 34,394,866,216.27
  5. Step 5: Solve for x
    x = 34,394,866,216.27/212,678.31
  6. Step 6: Final answer
    x = 161,722.49

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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.