Home / 99,055.17-148,619.75-39,907.62

Finding the Fourth Proportional to 99,055.17, 148,619.75 and 39,907.62

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Solution

The fourth proportional to 99,055.17, 148,619.75 and 39,907.62 is: 59,876.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.17 : 148,619.75 = 39,907.62 : x
  2. Step 2: Convert to fraction form
    99,055.17/148,619.75 = 39,907.62/x
  3. Step 3: Cross multiply
    99,055.17x = 148,619.75 × 39,907.62
  4. Step 4: Simplify right side
    99,055.17x = 5,931,060,307.96
  5. Step 5: Solve for x
    x = 5,931,060,307.96/99,055.17
  6. Step 6: Final answer
    x = 59,876.33

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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.