Home / 146,285.76-201,875.07-81,756.06

Finding the Fourth Proportional to 146,285.76, 201,875.07 and 81,756.06

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Solution

The fourth proportional to 146,285.76, 201,875.07 and 81,756.06 is: 112,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,285.76 : 201,875.07 = 81,756.06 : x
  2. Step 2: Convert to fraction form
    146,285.76/201,875.07 = 81,756.06/x
  3. Step 3: Cross multiply
    146,285.76x = 201,875.07 × 81,756.06
  4. Step 4: Simplify right side
    146,285.76x = 16,504,510,335.42
  5. Step 5: Solve for x
    x = 16,504,510,335.42/146,285.76
  6. Step 6: Final answer
    x = 112,823.77

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1.5x scale

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.