Home / 154,260.44-212,904.01-90,585.93

Finding the Fourth Proportional to 154,260.44, 212,904.01 and 90,585.93

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Solution

The fourth proportional to 154,260.44, 212,904.01 and 90,585.93 is: 125,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,260.44 : 212,904.01 = 90,585.93 : x
  2. Step 2: Convert to fraction form
    154,260.44/212,904.01 = 90,585.93/x
  3. Step 3: Cross multiply
    154,260.44x = 212,904.01 × 90,585.93
  4. Step 4: Simplify right side
    154,260.44x = 19,286,107,746.58
  5. Step 5: Solve for x
    x = 19,286,107,746.58/154,260.44
  6. Step 6: Final answer
    x = 125,023.03

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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.