Home / 154,021.32-231,089.22-94,172.40

Finding the Fourth Proportional to 154,021.32, 231,089.22 and 94,172.40

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Solution

The fourth proportional to 154,021.32, 231,089.22 and 94,172.40 is: 141,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,021.32 : 231,089.22 = 94,172.40 : x
  2. Step 2: Convert to fraction form
    154,021.32/231,089.22 = 94,172.40/x
  3. Step 3: Cross multiply
    154,021.32x = 231,089.22 × 94,172.40
  4. Step 4: Simplify right side
    154,021.32x = 21,762,226,461.53
  5. Step 5: Solve for x
    x = 21,762,226,461.53/154,021.32
  6. Step 6: Final answer
    x = 141,293.60

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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.