Home / 154,150.85-212,726.52-90,476.34

Finding the Fourth Proportional to 154,150.85, 212,726.52 and 90,476.34

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Solution

The fourth proportional to 154,150.85, 212,726.52 and 90,476.34 is: 124,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,150.85 : 212,726.52 = 90,476.34 : x
  2. Step 2: Convert to fraction form
    154,150.85/212,726.52 = 90,476.34/x
  3. Step 3: Cross multiply
    154,150.85x = 212,726.52 × 90,476.34
  4. Step 4: Simplify right side
    154,150.85x = 19,246,716,950.54
  5. Step 5: Solve for x
    x = 19,246,716,950.54/154,150.85
  6. Step 6: Final answer
    x = 124,856.38

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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.