Home / 109,506.90-164,278.08-42,910.92

Finding the Fourth Proportional to 109,506.90, 164,278.08 and 42,910.92

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Solution

The fourth proportional to 109,506.90, 164,278.08 and 42,910.92 is: 64,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,506.90 : 164,278.08 = 42,910.92 : x
  2. Step 2: Convert to fraction form
    109,506.90/164,278.08 = 42,910.92/x
  3. Step 3: Cross multiply
    109,506.90x = 164,278.08 × 42,910.92
  4. Step 4: Simplify right side
    109,506.90x = 7,049,323,548.63
  5. Step 5: Solve for x
    x = 7,049,323,548.63/109,506.90
  6. Step 6: Final answer
    x = 64,373.33

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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.