Home / 90,967.60-136,445.00-34,030.64

Finding the Fourth Proportional to 90,967.60, 136,445.00 and 34,030.64

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Solution

The fourth proportional to 90,967.60, 136,445.00 and 34,030.64 is: 51,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,967.60 : 136,445.00 = 34,030.64 : x
  2. Step 2: Convert to fraction form
    90,967.60/136,445.00 = 34,030.64/x
  3. Step 3: Cross multiply
    90,967.60x = 136,445.00 × 34,030.64
  4. Step 4: Simplify right side
    90,967.60x = 4,643,310,334.09
  5. Step 5: Solve for x
    x = 4,643,310,334.09/90,967.60
  6. Step 6: Final answer
    x = 51,043.56

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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.