Home / 106,958.67-147,488.19-90,148.17

Finding the Fourth Proportional to 106,958.67, 147,488.19 and 90,148.17

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Solution

The fourth proportional to 106,958.67, 147,488.19 and 90,148.17 is: 124,307.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,958.67 : 147,488.19 = 90,148.17 : x
  2. Step 2: Convert to fraction form
    106,958.67/147,488.19 = 90,148.17/x
  3. Step 3: Cross multiply
    106,958.67x = 147,488.19 × 90,148.17
  4. Step 4: Simplify right side
    106,958.67x = 13,295,790,425.11
  5. Step 5: Solve for x
    x = 13,295,790,425.11/106,958.67
  6. Step 6: Final answer
    x = 124,307.74

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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.