Home / 158,790.75-238,248.23-69,981.81

Finding the Fourth Proportional to 158,790.75, 238,248.23 and 69,981.81

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Solution

The fourth proportional to 158,790.75, 238,248.23 and 69,981.81 is: 105,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,790.75 : 238,248.23 = 69,981.81 : x
  2. Step 2: Convert to fraction form
    158,790.75/238,248.23 = 69,981.81/x
  3. Step 3: Cross multiply
    158,790.75x = 238,248.23 × 69,981.81
  4. Step 4: Simplify right side
    158,790.75x = 16,673,042,014.79
  5. Step 5: Solve for x
    x = 16,673,042,014.79/158,790.75
  6. Step 6: Final answer
    x = 105,000.08

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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.