Home / 154,635.12-231,981.84-61,148.16

Finding the Fourth Proportional to 154,635.12, 231,981.84 and 61,148.16

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Solution

The fourth proportional to 154,635.12, 231,981.84 and 61,148.16 is: 91,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,635.12 : 231,981.84 = 61,148.16 : x
  2. Step 2: Convert to fraction form
    154,635.12/231,981.84 = 61,148.16/x
  3. Step 3: Cross multiply
    154,635.12x = 231,981.84 × 61,148.16
  4. Step 4: Simplify right side
    154,635.12x = 14,185,262,669.41
  5. Step 5: Solve for x
    x = 14,185,262,669.41/154,635.12
  6. Step 6: Final answer
    x = 91,733.77

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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.