Home / 109,408.30-164,117.85-56,920.30

Finding the Fourth Proportional to 109,408.30, 164,117.85 and 56,920.30

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Solution

The fourth proportional to 109,408.30, 164,117.85 and 56,920.30 is: 85,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,408.30 : 164,117.85 = 56,920.30 : x
  2. Step 2: Convert to fraction form
    109,408.30/164,117.85 = 56,920.30/x
  3. Step 3: Cross multiply
    109,408.30x = 164,117.85 × 56,920.30
  4. Step 4: Simplify right side
    109,408.30x = 9,341,637,257.36
  5. Step 5: Solve for x
    x = 9,341,637,257.36/109,408.30
  6. Step 6: Final answer
    x = 85,383.26

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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.