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Finding the Fourth Proportional to 134,391, 201,615.65 and 40,894.32

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Solution

The fourth proportional to 134,391, 201,615.65 and 40,894.32 is: 61,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,391 : 201,615.65 = 40,894.32 : x
  2. Step 2: Convert to fraction form
    134,391/201,615.65 = 40,894.32/x
  3. Step 3: Cross multiply
    134,391x = 201,615.65 × 40,894.32
  4. Step 4: Simplify right side
    134,391x = 8,244,934,908.11
  5. Step 5: Solve for x
    x = 8,244,934,908.11/134,391
  6. Step 6: Final answer
    x = 61,350.35

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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.