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Finding the Fourth Proportional to 134,413.40, 201,425.70 and 59,472.20

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Solution

The fourth proportional to 134,413.40, 201,425.70 and 59,472.20 is: 89,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,413.40 : 201,425.70 = 59,472.20 : x
  2. Step 2: Convert to fraction form
    134,413.40/201,425.70 = 59,472.20/x
  3. Step 3: Cross multiply
    134,413.40x = 201,425.70 × 59,472.20
  4. Step 4: Simplify right side
    134,413.40x = 11,979,229,515.54
  5. Step 5: Solve for x
    x = 11,979,229,515.54/134,413.40
  6. Step 6: Final answer
    x = 89,122.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.