Home / 212,281.74-292,827.15-132,655.50

Finding the Fourth Proportional to 212,281.74, 292,827.15 and 132,655.50

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Solution

The fourth proportional to 212,281.74, 292,827.15 and 132,655.50 is: 182,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,281.74 : 292,827.15 = 132,655.50 : x
  2. Step 2: Convert to fraction form
    212,281.74/292,827.15 = 132,655.50/x
  3. Step 3: Cross multiply
    212,281.74x = 292,827.15 × 132,655.50
  4. Step 4: Simplify right side
    212,281.74x = 38,845,131,996.83
  5. Step 5: Solve for x
    x = 38,845,131,996.83/212,281.74
  6. Step 6: Final answer
    x = 182,988.57

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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.