Home / 90,438.84-124,799.52-50,151.12

Finding the Fourth Proportional to 90,438.84, 124,799.52 and 50,151.12

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Solution

The fourth proportional to 90,438.84, 124,799.52 and 50,151.12 is: 69,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,438.84 : 124,799.52 = 50,151.12 : x
  2. Step 2: Convert to fraction form
    90,438.84/124,799.52 = 50,151.12/x
  3. Step 3: Cross multiply
    90,438.84x = 124,799.52 × 50,151.12
  4. Step 4: Simplify right side
    90,438.84x = 6,258,835,703.46
  5. Step 5: Solve for x
    x = 6,258,835,703.46/90,438.84
  6. Step 6: Final answer
    x = 69,205.17

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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.