Home / 146,570.18-219,685.32-67,518.34

Finding the Fourth Proportional to 146,570.18, 219,685.32 and 67,518.34

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Solution

The fourth proportional to 146,570.18, 219,685.32 and 67,518.34 is: 101,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,570.18 : 219,685.32 = 67,518.34 : x
  2. Step 2: Convert to fraction form
    146,570.18/219,685.32 = 67,518.34/x
  3. Step 3: Cross multiply
    146,570.18x = 219,685.32 × 67,518.34
  4. Step 4: Simplify right side
    146,570.18x = 14,832,788,128.77
  5. Step 5: Solve for x
    x = 14,832,788,128.77/146,570.18
  6. Step 6: Final answer
    x = 101,199.22

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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.