Home / 109,838.19-164,770.09-39,750.51

Finding the Fourth Proportional to 109,838.19, 164,770.09 and 39,750.51

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Solution

The fourth proportional to 109,838.19, 164,770.09 and 39,750.51 is: 59,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.19 : 164,770.09 = 39,750.51 : x
  2. Step 2: Convert to fraction form
    109,838.19/164,770.09 = 39,750.51/x
  3. Step 3: Cross multiply
    109,838.19x = 164,770.09 × 39,750.51
  4. Step 4: Simplify right side
    109,838.19x = 6,549,694,911.49
  5. Step 5: Solve for x
    x = 6,549,694,911.49/109,838.19
  6. Step 6: Final answer
    x = 59,630.40

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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.