Home / 212,643.90-293,318.82-126,545.13

Finding the Fourth Proportional to 212,643.90, 293,318.82 and 126,545.13

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Solution

The fourth proportional to 212,643.90, 293,318.82 and 126,545.13 is: 174,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,643.90 : 293,318.82 = 126,545.13 : x
  2. Step 2: Convert to fraction form
    212,643.90/293,318.82 = 126,545.13/x
  3. Step 3: Cross multiply
    212,643.90x = 293,318.82 × 126,545.13
  4. Step 4: Simplify right side
    212,643.90x = 37,118,068,208.35
  5. Step 5: Solve for x
    x = 37,118,068,208.35/212,643.90
  6. Step 6: Final answer
    x = 174,555.06

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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.