Home / 212,739.61-293,574.90-117,246.28

Finding the Fourth Proportional to 212,739.61, 293,574.90 and 117,246.28

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Solution

The fourth proportional to 212,739.61, 293,574.90 and 117,246.28 is: 161,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,739.61 : 293,574.90 = 117,246.28 : x
  2. Step 2: Convert to fraction form
    212,739.61/293,574.90 = 117,246.28/x
  3. Step 3: Cross multiply
    212,739.61x = 293,574.90 × 117,246.28
  4. Step 4: Simplify right side
    212,739.61x = 34,420,564,926.37
  5. Step 5: Solve for x
    x = 34,420,564,926.37/212,739.61
  6. Step 6: Final answer
    x = 161,796.69

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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.