Home / 106,424.45-147,499.70-104,431.55

Finding the Fourth Proportional to 106,424.45, 147,499.70 and 104,431.55

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Solution

The fourth proportional to 106,424.45, 147,499.70 and 104,431.55 is: 144,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,424.45 : 147,499.70 = 104,431.55 : x
  2. Step 2: Convert to fraction form
    106,424.45/147,499.70 = 104,431.55/x
  3. Step 3: Cross multiply
    106,424.45x = 147,499.70 × 104,431.55
  4. Step 4: Simplify right side
    106,424.45x = 15,403,621,980.62
  5. Step 5: Solve for x
    x = 15,403,621,980.62/106,424.45
  6. Step 6: Final answer
    x = 144,737.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.