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Finding the Fourth Proportional to 97,383.52, 146,075.28 and 88,752.16

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Solution

The fourth proportional to 97,383.52, 146,075.28 and 88,752.16 is: 133,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,383.52 : 146,075.28 = 88,752.16 : x
  2. Step 2: Convert to fraction form
    97,383.52/146,075.28 = 88,752.16/x
  3. Step 3: Cross multiply
    97,383.52x = 146,075.28 × 88,752.16
  4. Step 4: Simplify right side
    97,383.52x = 12,964,496,622.60
  5. Step 5: Solve for x
    x = 12,964,496,622.60/97,383.52
  6. Step 6: Final answer
    x = 133,128.24

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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.