Home / 154,484.75-231,728.52-60,990.50

Finding the Fourth Proportional to 154,484.75, 231,728.52 and 60,990.50

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Solution

The fourth proportional to 154,484.75, 231,728.52 and 60,990.50 is: 91,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484.75 : 231,728.52 = 60,990.50 : x
  2. Step 2: Convert to fraction form
    154,484.75/231,728.52 = 60,990.50/x
  3. Step 3: Cross multiply
    154,484.75x = 231,728.52 × 60,990.50
  4. Step 4: Simplify right side
    154,484.75x = 14,133,238,299.06
  5. Step 5: Solve for x
    x = 14,133,238,299.06/154,484.75
  6. Step 6: Final answer
    x = 91,486.30

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1.5x scale

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.