Home / 143,470.59-215,204.13-64,529.07

Finding the Fourth Proportional to 143,470.59, 215,204.13 and 64,529.07

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Solution

The fourth proportional to 143,470.59, 215,204.13 and 64,529.07 is: 96,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,470.59 : 215,204.13 = 64,529.07 : x
  2. Step 2: Convert to fraction form
    143,470.59/215,204.13 = 64,529.07/x
  3. Step 3: Cross multiply
    143,470.59x = 215,204.13 × 64,529.07
  4. Step 4: Simplify right side
    143,470.59x = 13,886,922,369.06
  5. Step 5: Solve for x
    x = 13,886,922,369.06/143,470.59
  6. Step 6: Final answer
    x = 96,792.82

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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.