Home / 109,355.40-164,033.10-39,225.60

Finding the Fourth Proportional to 109,355.40, 164,033.10 and 39,225.60

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Solution

The fourth proportional to 109,355.40, 164,033.10 and 39,225.60 is: 58,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,355.40 : 164,033.10 = 39,225.60 : x
  2. Step 2: Convert to fraction form
    109,355.40/164,033.10 = 39,225.60/x
  3. Step 3: Cross multiply
    109,355.40x = 164,033.10 × 39,225.60
  4. Step 4: Simplify right side
    109,355.40x = 6,434,296,767.36
  5. Step 5: Solve for x
    x = 6,434,296,767.36/109,355.40
  6. Step 6: Final answer
    x = 58,838.40

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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.