Home / 109,028.60-163,542.90-104,881.40

Finding the Fourth Proportional to 109,028.60, 163,542.90 and 104,881.40

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Solution

The fourth proportional to 109,028.60, 163,542.90 and 104,881.40 is: 157,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,028.60 : 163,542.90 = 104,881.40 : x
  2. Step 2: Convert to fraction form
    109,028.60/163,542.90 = 104,881.40/x
  3. Step 3: Cross multiply
    109,028.60x = 163,542.90 × 104,881.40
  4. Step 4: Simplify right side
    109,028.60x = 17,152,608,312.06
  5. Step 5: Solve for x
    x = 17,152,608,312.06/109,028.60
  6. Step 6: Final answer
    x = 157,322.10

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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.