Home / 146,135.40-201,646.62-81,596.76

Finding the Fourth Proportional to 146,135.40, 201,646.62 and 81,596.76

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Solution

The fourth proportional to 146,135.40, 201,646.62 and 81,596.76 is: 112,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,135.40 : 201,646.62 = 81,596.76 : x
  2. Step 2: Convert to fraction form
    146,135.40/201,646.62 = 81,596.76/x
  3. Step 3: Cross multiply
    146,135.40x = 201,646.62 × 81,596.76
  4. Step 4: Simplify right side
    146,135.40x = 16,453,710,856.95
  5. Step 5: Solve for x
    x = 16,453,710,856.95/146,135.40
  6. Step 6: Final answer
    x = 112,592.23

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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.