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Finding the Fourth Proportional to 134,038.30, 200,729.40 and 63,835.60

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Solution

The fourth proportional to 134,038.30, 200,729.40 and 63,835.60 is: 95,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,038.30 : 200,729.40 = 63,835.60 : x
  2. Step 2: Convert to fraction form
    134,038.30/200,729.40 = 63,835.60/x
  3. Step 3: Cross multiply
    134,038.30x = 200,729.40 × 63,835.60
  4. Step 4: Simplify right side
    134,038.30x = 12,813,681,686.64
  5. Step 5: Solve for x
    x = 12,813,681,686.64/134,038.30
  6. Step 6: Final answer
    x = 95,597.17

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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.