Home / 106,903.56-147,529.32-69,243.36

Finding the Fourth Proportional to 106,903.56, 147,529.32 and 69,243.36

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Solution

The fourth proportional to 106,903.56, 147,529.32 and 69,243.36 is: 95,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,903.56 : 147,529.32 = 69,243.36 : x
  2. Step 2: Convert to fraction form
    106,903.56/147,529.32 = 69,243.36/x
  3. Step 3: Cross multiply
    106,903.56x = 147,529.32 × 69,243.36
  4. Step 4: Simplify right side
    106,903.56x = 10,215,425,815.32
  5. Step 5: Solve for x
    x = 10,215,425,815.32/106,903.56
  6. Step 6: Final answer
    x = 95,557.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.