Home / 98,880.32-148,320.39-39,716

Finding the Fourth Proportional to 98,880.32, 148,320.39 and 39,716

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Solution

The fourth proportional to 98,880.32, 148,320.39 and 39,716 is: 59,573.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.32 : 148,320.39 = 39,716 : x
  2. Step 2: Convert to fraction form
    98,880.32/148,320.39 = 39,716/x
  3. Step 3: Cross multiply
    98,880.32x = 148,320.39 × 39,716
  4. Step 4: Simplify right side
    98,880.32x = 5,890,692,609.24
  5. Step 5: Solve for x
    x = 5,890,692,609.24/98,880.32
  6. Step 6: Final answer
    x = 59,573.96

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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.