Home / 212,705.11-293,529.29-115,909.82

Finding the Fourth Proportional to 212,705.11, 293,529.29 and 115,909.82

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Solution

The fourth proportional to 212,705.11, 293,529.29 and 115,909.82 is: 159,953.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,705.11 : 293,529.29 = 115,909.82 : x
  2. Step 2: Convert to fraction form
    212,705.11/293,529.29 = 115,909.82/x
  3. Step 3: Cross multiply
    212,705.11x = 293,529.29 × 115,909.82
  4. Step 4: Simplify right side
    212,705.11x = 34,022,926,222.17
  5. Step 5: Solve for x
    x = 34,022,926,222.17/212,705.11
  6. Step 6: Final answer
    x = 159,953.50

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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.