Home / 146,983.32-202,821.45-86,550

Finding the Fourth Proportional to 146,983.32, 202,821.45 and 86,550

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Solution

The fourth proportional to 146,983.32, 202,821.45 and 86,550 is: 119,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983.32 : 202,821.45 = 86,550 : x
  2. Step 2: Convert to fraction form
    146,983.32/202,821.45 = 86,550/x
  3. Step 3: Cross multiply
    146,983.32x = 202,821.45 × 86,550
  4. Step 4: Simplify right side
    146,983.32x = 17,554,196,497.50
  5. Step 5: Solve for x
    x = 17,554,196,497.50/146,983.32
  6. Step 6: Final answer
    x = 119,429.85

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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.