Home / 146,785.84-202,561.02-86,360.38

Finding the Fourth Proportional to 146,785.84, 202,561.02 and 86,360.38

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Solution

The fourth proportional to 146,785.84, 202,561.02 and 86,360.38 is: 119,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,785.84 : 202,561.02 = 86,360.38 : x
  2. Step 2: Convert to fraction form
    146,785.84/202,561.02 = 86,360.38/x
  3. Step 3: Cross multiply
    146,785.84x = 202,561.02 × 86,360.38
  4. Step 4: Simplify right side
    146,785.84x = 17,493,246,153.99
  5. Step 5: Solve for x
    x = 17,493,246,153.99/146,785.84
  6. Step 6: Final answer
    x = 119,175.30

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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.