Home / 215,281.31-297,124.63-124,692.41

Finding the Fourth Proportional to 215,281.31, 297,124.63 and 124,692.41

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Solution

The fourth proportional to 215,281.31, 297,124.63 and 124,692.41 is: 172,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,281.31 : 297,124.63 = 124,692.41 : x
  2. Step 2: Convert to fraction form
    215,281.31/297,124.63 = 124,692.41/x
  3. Step 3: Cross multiply
    215,281.31x = 297,124.63 × 124,692.41
  4. Step 4: Simplify right side
    215,281.31x = 37,049,186,616.14
  5. Step 5: Solve for x
    x = 37,049,186,616.14/215,281.31
  6. Step 6: Final answer
    x = 172,096.63

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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.