Home / 219,731.64-303,261.98-139,166.67

Finding the Fourth Proportional to 219,731.64, 303,261.98 and 139,166.67

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Solution

The fourth proportional to 219,731.64, 303,261.98 and 139,166.67 is: 192,070.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,731.64 : 303,261.98 = 139,166.67 : x
  2. Step 2: Convert to fraction form
    219,731.64/303,261.98 = 139,166.67/x
  3. Step 3: Cross multiply
    219,731.64x = 303,261.98 × 139,166.67
  4. Step 4: Simplify right side
    219,731.64x = 42,203,960,335.61
  5. Step 5: Solve for x
    x = 42,203,960,335.61/219,731.64
  6. Step 6: Final answer
    x = 192,070.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.