Home / 146,128.20-219,214.20-61,888.20

Finding the Fourth Proportional to 146,128.20, 219,214.20 and 61,888.20

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Solution

The fourth proportional to 146,128.20, 219,214.20 and 61,888.20 is: 92,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,128.20 : 219,214.20 = 61,888.20 : x
  2. Step 2: Convert to fraction form
    146,128.20/219,214.20 = 61,888.20/x
  3. Step 3: Cross multiply
    146,128.20x = 219,214.20 × 61,888.20
  4. Step 4: Simplify right side
    146,128.20x = 13,566,772,252.44
  5. Step 5: Solve for x
    x = 13,566,772,252.44/146,128.20
  6. Step 6: Final answer
    x = 92,841.58

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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.