Home / 90,765.04-136,100.76-40,802.44

Finding the Fourth Proportional to 90,765.04, 136,100.76 and 40,802.44

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Solution

The fourth proportional to 90,765.04, 136,100.76 and 40,802.44 is: 61,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,765.04 : 136,100.76 = 40,802.44 : x
  2. Step 2: Convert to fraction form
    90,765.04/136,100.76 = 40,802.44/x
  3. Step 3: Cross multiply
    90,765.04x = 136,100.76 × 40,802.44
  4. Step 4: Simplify right side
    90,765.04x = 5,553,243,093.85
  5. Step 5: Solve for x
    x = 5,553,243,093.85/90,765.04
  6. Step 6: Final answer
    x = 61,182.62

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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.