Home / 144,643.29-199,601.04-80,108.16

Finding the Fourth Proportional to 144,643.29, 199,601.04 and 80,108.16

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Solution

The fourth proportional to 144,643.29, 199,601.04 and 80,108.16 is: 110,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,643.29 : 199,601.04 = 80,108.16 : x
  2. Step 2: Convert to fraction form
    144,643.29/199,601.04 = 80,108.16/x
  3. Step 3: Cross multiply
    144,643.29x = 199,601.04 × 80,108.16
  4. Step 4: Simplify right side
    144,643.29x = 15,989,672,048.49
  5. Step 5: Solve for x
    x = 15,989,672,048.49/144,643.29
  6. Step 6: Final answer
    x = 110,545.55

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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.