Home / 143,220.76-214,903.86-64,318.84

Finding the Fourth Proportional to 143,220.76, 214,903.86 and 64,318.84

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Solution

The fourth proportional to 143,220.76, 214,903.86 and 64,318.84 is: 96,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,220.76 : 214,903.86 = 64,318.84 : x
  2. Step 2: Convert to fraction form
    143,220.76/214,903.86 = 64,318.84/x
  3. Step 3: Cross multiply
    143,220.76x = 214,903.86 × 64,318.84
  4. Step 4: Simplify right side
    143,220.76x = 13,822,366,986.72
  5. Step 5: Solve for x
    x = 13,822,366,986.72/143,220.76
  6. Step 6: Final answer
    x = 96,510.92

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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.