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Finding the Fourth Proportional to 149,097.60, 223,473.60 and 60,307.20

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Solution

The fourth proportional to 149,097.60, 223,473.60 and 60,307.20 is: 90,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,097.60 : 223,473.60 = 60,307.20 : x
  2. Step 2: Convert to fraction form
    149,097.60/223,473.60 = 60,307.20/x
  3. Step 3: Cross multiply
    149,097.60x = 223,473.60 × 60,307.20
  4. Step 4: Simplify right side
    149,097.60x = 13,477,067,089.92
  5. Step 5: Solve for x
    x = 13,477,067,089.92/149,097.60
  6. Step 6: Final answer
    x = 90,390.91

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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.