Home / 143,746.50-215,334.53-67,740.96

Finding the Fourth Proportional to 143,746.50, 215,334.53 and 67,740.96

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Solution

The fourth proportional to 143,746.50, 215,334.53 and 67,740.96 is: 101,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,746.50 : 215,334.53 = 67,740.96 : x
  2. Step 2: Convert to fraction form
    143,746.50/215,334.53 = 67,740.96/x
  3. Step 3: Cross multiply
    143,746.50x = 215,334.53 × 67,740.96
  4. Step 4: Simplify right side
    143,746.50x = 14,586,967,783.35
  5. Step 5: Solve for x
    x = 14,586,967,783.35/143,746.50
  6. Step 6: Final answer
    x = 101,477.03

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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.