Home / 90,739.53-136,106.19-34,577.60

Finding the Fourth Proportional to 90,739.53, 136,106.19 and 34,577.60

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Solution

The fourth proportional to 90,739.53, 136,106.19 and 34,577.60 is: 51,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.53 : 136,106.19 = 34,577.60 : x
  2. Step 2: Convert to fraction form
    90,739.53/136,106.19 = 34,577.60/x
  3. Step 3: Cross multiply
    90,739.53x = 136,106.19 × 34,577.60
  4. Step 4: Simplify right side
    90,739.53x = 4,706,224,714.81
  5. Step 5: Solve for x
    x = 4,706,224,714.81/90,739.53
  6. Step 6: Final answer
    x = 51,865.21

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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.