Home / 144,921.96-217,475.28-66,044.16

Finding the Fourth Proportional to 144,921.96, 217,475.28 and 66,044.16

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Solution

The fourth proportional to 144,921.96, 217,475.28 and 66,044.16 is: 99,108.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,921.96 : 217,475.28 = 66,044.16 : x
  2. Step 2: Convert to fraction form
    144,921.96/217,475.28 = 66,044.16/x
  3. Step 3: Cross multiply
    144,921.96x = 217,475.28 × 66,044.16
  4. Step 4: Simplify right side
    144,921.96x = 14,362,972,188.36
  5. Step 5: Solve for x
    x = 14,362,972,188.36/144,921.96
  6. Step 6: Final answer
    x = 99,108.32

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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.