Home / 123,848.46-170,914.23-72,864.54

Finding the Fourth Proportional to 123,848.46, 170,914.23 and 72,864.54

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Solution

The fourth proportional to 123,848.46, 170,914.23 and 72,864.54 is: 100,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,848.46 : 170,914.23 = 72,864.54 : x
  2. Step 2: Convert to fraction form
    123,848.46/170,914.23 = 72,864.54/x
  3. Step 3: Cross multiply
    123,848.46x = 170,914.23 × 72,864.54
  4. Step 4: Simplify right side
    123,848.46x = 12,453,586,748.40
  5. Step 5: Solve for x
    x = 12,453,586,748.40/123,848.46
  6. Step 6: Final answer
    x = 100,555.04

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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.