Home / 208,923.48-288,319.26-124,040.76

Finding the Fourth Proportional to 208,923.48, 288,319.26 and 124,040.76

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Solution

The fourth proportional to 208,923.48, 288,319.26 and 124,040.76 is: 171,179.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.48 : 288,319.26 = 124,040.76 : x
  2. Step 2: Convert to fraction form
    208,923.48/288,319.26 = 124,040.76/x
  3. Step 3: Cross multiply
    208,923.48x = 288,319.26 × 124,040.76
  4. Step 4: Simplify right side
    208,923.48x = 35,763,340,133.04
  5. Step 5: Solve for x
    x = 35,763,340,133.04/208,923.48
  6. Step 6: Final answer
    x = 171,179.13

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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.