Home / 106,789.44-147,404.40-74,966.16

Finding the Fourth Proportional to 106,789.44, 147,404.40 and 74,966.16

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Solution

The fourth proportional to 106,789.44, 147,404.40 and 74,966.16 is: 103,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,789.44 : 147,404.40 = 74,966.16 : x
  2. Step 2: Convert to fraction form
    106,789.44/147,404.40 = 74,966.16/x
  3. Step 3: Cross multiply
    106,789.44x = 147,404.40 × 74,966.16
  4. Step 4: Simplify right side
    106,789.44x = 11,050,341,835.10
  5. Step 5: Solve for x
    x = 11,050,341,835.10/106,789.44
  6. Step 6: Final answer
    x = 103,477.85

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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.