Home / 106,754.28-147,326.58-61,439.16

Finding the Fourth Proportional to 106,754.28, 147,326.58 and 61,439.16

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Solution

The fourth proportional to 106,754.28, 147,326.58 and 61,439.16 is: 84,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,754.28 : 147,326.58 = 61,439.16 : x
  2. Step 2: Convert to fraction form
    106,754.28/147,326.58 = 61,439.16/x
  3. Step 3: Cross multiply
    106,754.28x = 147,326.58 × 61,439.16
  4. Step 4: Simplify right side
    106,754.28x = 9,051,621,320.87
  5. Step 5: Solve for x
    x = 9,051,621,320.87/106,754.28
  6. Step 6: Final answer
    x = 84,789.31

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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.