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Finding the Fourth Proportional to 114,762.60, 158,373.26 and 63,780.11

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Solution

The fourth proportional to 114,762.60, 158,373.26 and 63,780.11 is: 88,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,762.60 : 158,373.26 = 63,780.11 : x
  2. Step 2: Convert to fraction form
    114,762.60/158,373.26 = 63,780.11/x
  3. Step 3: Cross multiply
    114,762.60x = 158,373.26 × 63,780.11
  4. Step 4: Simplify right side
    114,762.60x = 10,101,064,767.30
  5. Step 5: Solve for x
    x = 10,101,064,767.30/114,762.60
  6. Step 6: Final answer
    x = 88,017.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.