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Finding the Fourth Proportional to 134,580.84, 201,902.51 and 45,835.11

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Solution

The fourth proportional to 134,580.84, 201,902.51 and 45,835.11 is: 68,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,580.84 : 201,902.51 = 45,835.11 : x
  2. Step 2: Convert to fraction form
    134,580.84/201,902.51 = 45,835.11/x
  3. Step 3: Cross multiply
    134,580.84x = 201,902.51 × 45,835.11
  4. Step 4: Simplify right side
    134,580.84x = 9,254,223,525.95
  5. Step 5: Solve for x
    x = 9,254,223,525.95/134,580.84
  6. Step 6: Final answer
    x = 68,763.31

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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.