Home / 272,105.62-375,510.25-149,603.18

Finding the Fourth Proportional to 272,105.62, 375,510.25 and 149,603.18

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Solution

The fourth proportional to 272,105.62, 375,510.25 and 149,603.18 is: 206,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,105.62 : 375,510.25 = 149,603.18 : x
  2. Step 2: Convert to fraction form
    272,105.62/375,510.25 = 149,603.18/x
  3. Step 3: Cross multiply
    272,105.62x = 375,510.25 × 149,603.18
  4. Step 4: Simplify right side
    272,105.62x = 56,177,525,271.04
  5. Step 5: Solve for x
    x = 56,177,525,271.04/272,105.62
  6. Step 6: Final answer
    x = 206,454.85

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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.