Home / 99,148-148,706.88-39,968.32

Finding the Fourth Proportional to 99,148, 148,706.88 and 39,968.32

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Solution

The fourth proportional to 99,148, 148,706.88 and 39,968.32 is: 59,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,148 : 148,706.88 = 39,968.32 : x
  2. Step 2: Convert to fraction form
    99,148/148,706.88 = 39,968.32/x
  3. Step 3: Cross multiply
    99,148x = 148,706.88 × 39,968.32
  4. Step 4: Simplify right side
    99,148x = 5,943,564,166.04
  5. Step 5: Solve for x
    x = 5,943,564,166.04/99,148
  6. Step 6: Final answer
    x = 59,946.38

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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.