Home / 146,305.20-219,326.40-57,619.20

Finding the Fourth Proportional to 146,305.20, 219,326.40 and 57,619.20

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Solution

The fourth proportional to 146,305.20, 219,326.40 and 57,619.20 is: 86,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,305.20 : 219,326.40 = 57,619.20 : x
  2. Step 2: Convert to fraction form
    146,305.20/219,326.40 = 57,619.20/x
  3. Step 3: Cross multiply
    146,305.20x = 219,326.40 × 57,619.20
  4. Step 4: Simplify right side
    146,305.20x = 12,637,411,706.88
  5. Step 5: Solve for x
    x = 12,637,411,706.88/146,305.20
  6. Step 6: Final answer
    x = 86,377.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.