Home / 109,997.04-164,774.16-76,302.24

Finding the Fourth Proportional to 109,997.04, 164,774.16 and 76,302.24

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Solution

The fourth proportional to 109,997.04, 164,774.16 and 76,302.24 is: 114,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,997.04 : 164,774.16 = 76,302.24 : x
  2. Step 2: Convert to fraction form
    109,997.04/164,774.16 = 76,302.24/x
  3. Step 3: Cross multiply
    109,997.04x = 164,774.16 × 76,302.24
  4. Step 4: Simplify right side
    109,997.04x = 12,572,637,502.12
  5. Step 5: Solve for x
    x = 12,572,637,502.12/109,997.04
  6. Step 6: Final answer
    x = 114,299.78

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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.