Home / 223,931.73-309,002.94-137,877.06

Finding the Fourth Proportional to 223,931.73, 309,002.94 and 137,877.06

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Solution

The fourth proportional to 223,931.73, 309,002.94 and 137,877.06 is: 190,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,931.73 : 309,002.94 = 137,877.06 : x
  2. Step 2: Convert to fraction form
    223,931.73/309,002.94 = 137,877.06/x
  3. Step 3: Cross multiply
    223,931.73x = 309,002.94 × 137,877.06
  4. Step 4: Simplify right side
    223,931.73x = 42,604,416,898.56
  5. Step 5: Solve for x
    x = 42,604,416,898.56/223,931.73
  6. Step 6: Final answer
    x = 190,256.28

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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.