Home / 163,731.08-224,969.73-130,138.76

Finding the Fourth Proportional to 163,731.08, 224,969.73 and 130,138.76

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Solution

The fourth proportional to 163,731.08, 224,969.73 and 130,138.76 is: 178,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,731.08 : 224,969.73 = 130,138.76 : x
  2. Step 2: Convert to fraction form
    163,731.08/224,969.73 = 130,138.76/x
  3. Step 3: Cross multiply
    163,731.08x = 224,969.73 × 130,138.76
  4. Step 4: Simplify right side
    163,731.08x = 29,277,281,699.73
  5. Step 5: Solve for x
    x = 29,277,281,699.73/163,731.08
  6. Step 6: Final answer
    x = 178,813.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.