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Finding the Fourth Proportional to 134,897.70, 202,468.95 and 68,384.10

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Solution

The fourth proportional to 134,897.70, 202,468.95 and 68,384.10 is: 102,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.70 : 202,468.95 = 68,384.10 : x
  2. Step 2: Convert to fraction form
    134,897.70/202,468.95 = 68,384.10/x
  3. Step 3: Cross multiply
    134,897.70x = 202,468.95 × 68,384.10
  4. Step 4: Simplify right side
    134,897.70x = 13,845,656,923.70
  5. Step 5: Solve for x
    x = 13,845,656,923.70/134,897.70
  6. Step 6: Final answer
    x = 102,638.20

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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.