Home / 109,383.40-164,075.10-39,253.60

Finding the Fourth Proportional to 109,383.40, 164,075.10 and 39,253.60

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Solution

The fourth proportional to 109,383.40, 164,075.10 and 39,253.60 is: 58,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,383.40 : 164,075.10 = 39,253.60 : x
  2. Step 2: Convert to fraction form
    109,383.40/164,075.10 = 39,253.60/x
  3. Step 3: Cross multiply
    109,383.40x = 164,075.10 × 39,253.60
  4. Step 4: Simplify right side
    109,383.40x = 6,440,538,345.36
  5. Step 5: Solve for x
    x = 6,440,538,345.36/109,383.40
  6. Step 6: Final answer
    x = 58,880.40

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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.