Home / 109,440.36-164,168.64-39,320.28

Finding the Fourth Proportional to 109,440.36, 164,168.64 and 39,320.28

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Solution

The fourth proportional to 109,440.36, 164,168.64 and 39,320.28 is: 58,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,440.36 : 164,168.64 = 39,320.28 : x
  2. Step 2: Convert to fraction form
    109,440.36/164,168.64 = 39,320.28/x
  3. Step 3: Cross multiply
    109,440.36x = 164,168.64 × 39,320.28
  4. Step 4: Simplify right side
    109,440.36x = 6,455,156,892.02
  5. Step 5: Solve for x
    x = 6,455,156,892.02/109,440.36
  6. Step 6: Final answer
    x = 58,983.33

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1.5x scale

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.