Home / 109,021.16-150,508.77-66,008.00

Finding the Fourth Proportional to 109,021.16, 150,508.77 and 66,008.00

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Solution

The fourth proportional to 109,021.16, 150,508.77 and 66,008.00 is: 91,127.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,021.16 : 150,508.77 = 66,008.00 : x
  2. Step 2: Convert to fraction form
    109,021.16/150,508.77 = 66,008.00/x
  3. Step 3: Cross multiply
    109,021.16x = 150,508.77 × 66,008.00
  4. Step 4: Simplify right side
    109,021.16x = 9,934,783,018.90
  5. Step 5: Solve for x
    x = 9,934,783,018.90/109,021.16
  6. Step 6: Final answer
    x = 91,127.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.