Home / 131,685.45-197,477.15-47,427.63

Finding the Fourth Proportional to 131,685.45, 197,477.15 and 47,427.63

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Solution

The fourth proportional to 131,685.45, 197,477.15 and 47,427.63 is: 71,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,685.45 : 197,477.15 = 47,427.63 : x
  2. Step 2: Convert to fraction form
    131,685.45/197,477.15 = 47,427.63/x
  3. Step 3: Cross multiply
    131,685.45x = 197,477.15 × 47,427.63
  4. Step 4: Simplify right side
    131,685.45x = 9,365,872,966.52
  5. Step 5: Solve for x
    x = 9,365,872,966.52/131,685.45
  6. Step 6: Final answer
    x = 71,123.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.