Home / 146,579.38-202,284.51-86,149.15

Finding the Fourth Proportional to 146,579.38, 202,284.51 and 86,149.15

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Solution

The fourth proportional to 146,579.38, 202,284.51 and 86,149.15 is: 118,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.38 : 202,284.51 = 86,149.15 : x
  2. Step 2: Convert to fraction form
    146,579.38/202,284.51 = 86,149.15/x
  3. Step 3: Cross multiply
    146,579.38x = 202,284.51 × 86,149.15
  4. Step 4: Simplify right side
    146,579.38x = 17,426,638,594.67
  5. Step 5: Solve for x
    x = 17,426,638,594.67/146,579.38
  6. Step 6: Final answer
    x = 118,888.75

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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.