Home / 146,720.70-202,522.68-86,288.49

Finding the Fourth Proportional to 146,720.70, 202,522.68 and 86,288.49

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Solution

The fourth proportional to 146,720.70, 202,522.68 and 86,288.49 is: 119,106.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,720.70 : 202,522.68 = 86,288.49 : x
  2. Step 2: Convert to fraction form
    146,720.70/202,522.68 = 86,288.49/x
  3. Step 3: Cross multiply
    146,720.70x = 202,522.68 × 86,288.49
  4. Step 4: Simplify right side
    146,720.70x = 17,475,376,247.95
  5. Step 5: Solve for x
    x = 17,475,376,247.95/146,720.70
  6. Step 6: Final answer
    x = 119,106.41

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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.