Home / 126,608.04-174,554.73-78,775.92

Finding the Fourth Proportional to 126,608.04, 174,554.73 and 78,775.92

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Solution

The fourth proportional to 126,608.04, 174,554.73 and 78,775.92 is: 108,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,608.04 : 174,554.73 = 78,775.92 : x
  2. Step 2: Convert to fraction form
    126,608.04/174,554.73 = 78,775.92/x
  3. Step 3: Cross multiply
    126,608.04x = 174,554.73 × 78,775.92
  4. Step 4: Simplify right side
    126,608.04x = 13,750,709,446.10
  5. Step 5: Solve for x
    x = 13,750,709,446.10/126,608.04
  6. Step 6: Final answer
    x = 108,608.50

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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.