Home / 99,519.10-148,950.60-69,994.60

Finding the Fourth Proportional to 99,519.10, 148,950.60 and 69,994.60

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Solution

The fourth proportional to 99,519.10, 148,950.60 and 69,994.60 is: 104,761.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,519.10 : 148,950.60 = 69,994.60 : x
  2. Step 2: Convert to fraction form
    99,519.10/148,950.60 = 69,994.60/x
  3. Step 3: Cross multiply
    99,519.10x = 148,950.60 × 69,994.60
  4. Step 4: Simplify right side
    99,519.10x = 10,425,737,666.76
  5. Step 5: Solve for x
    x = 10,425,737,666.76/99,519.10
  6. Step 6: Final answer
    x = 104,761.17

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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.