Home / 212,799.18-293,683.59-158,990.79

Finding the Fourth Proportional to 212,799.18, 293,683.59 and 158,990.79

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Solution

The fourth proportional to 212,799.18, 293,683.59 and 158,990.79 is: 219,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,799.18 : 293,683.59 = 158,990.79 : x
  2. Step 2: Convert to fraction form
    212,799.18/293,683.59 = 158,990.79/x
  3. Step 3: Cross multiply
    212,799.18x = 293,683.59 × 158,990.79
  4. Step 4: Simplify right side
    212,799.18x = 46,692,985,984.14
  5. Step 5: Solve for x
    x = 46,692,985,984.14/212,799.18
  6. Step 6: Final answer
    x = 219,422.77

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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.