Home / 90,748.40-136,122.60-73,252.40

Finding the Fourth Proportional to 90,748.40, 136,122.60 and 73,252.40

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Solution

The fourth proportional to 90,748.40, 136,122.60 and 73,252.40 is: 109,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,748.40 : 136,122.60 = 73,252.40 : x
  2. Step 2: Convert to fraction form
    90,748.40/136,122.60 = 73,252.40/x
  3. Step 3: Cross multiply
    90,748.40x = 136,122.60 × 73,252.40
  4. Step 4: Simplify right side
    90,748.40x = 9,971,307,144.24
  5. Step 5: Solve for x
    x = 9,971,307,144.24/90,748.40
  6. Step 6: Final answer
    x = 109,878.60

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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.