Home / 90,141.24-124,394.66-51,886.82

Finding the Fourth Proportional to 90,141.24, 124,394.66 and 51,886.82

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Solution

The fourth proportional to 90,141.24, 124,394.66 and 51,886.82 is: 71,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,141.24 : 124,394.66 = 51,886.82 : x
  2. Step 2: Convert to fraction form
    90,141.24/124,394.66 = 51,886.82/x
  3. Step 3: Cross multiply
    90,141.24x = 124,394.66 × 51,886.82
  4. Step 4: Simplify right side
    90,141.24x = 6,454,443,332.38
  5. Step 5: Solve for x
    x = 6,454,443,332.38/90,141.24
  6. Step 6: Final answer
    x = 71,603.67

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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.