Home / 131,795.30-181,890.54-75,215.18

Finding the Fourth Proportional to 131,795.30, 181,890.54 and 75,215.18

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Solution

The fourth proportional to 131,795.30, 181,890.54 and 75,215.18 is: 103,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795.30 : 181,890.54 = 75,215.18 : x
  2. Step 2: Convert to fraction form
    131,795.30/181,890.54 = 75,215.18/x
  3. Step 3: Cross multiply
    131,795.30x = 181,890.54 × 75,215.18
  4. Step 4: Simplify right side
    131,795.30x = 13,680,929,706.40
  5. Step 5: Solve for x
    x = 13,680,929,706.40/131,795.30
  6. Step 6: Final answer
    x = 103,804.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.