Home / 154,145.64-231,078.34-59,315.34

Finding the Fourth Proportional to 154,145.64, 231,078.34 and 59,315.34

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Solution

The fourth proportional to 154,145.64, 231,078.34 and 59,315.34 is: 88,919.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,145.64 : 231,078.34 = 59,315.34 : x
  2. Step 2: Convert to fraction form
    154,145.64/231,078.34 = 59,315.34/x
  3. Step 3: Cross multiply
    154,145.64x = 231,078.34 × 59,315.34
  4. Step 4: Simplify right side
    154,145.64x = 13,706,490,303.74
  5. Step 5: Solve for x
    x = 13,706,490,303.74/154,145.64
  6. Step 6: Final answer
    x = 88,919.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.