Home / 251,671.02-377,637.78-102,021.90

Finding the Fourth Proportional to 251,671.02, 377,637.78 and 102,021.90

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Solution

The fourth proportional to 251,671.02, 377,637.78 and 102,021.90 is: 153,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,671.02 : 377,637.78 = 102,021.90 : x
  2. Step 2: Convert to fraction form
    251,671.02/377,637.78 = 102,021.90/x
  3. Step 3: Cross multiply
    251,671.02x = 377,637.78 × 102,021.90
  4. Step 4: Simplify right side
    251,671.02x = 38,527,323,827.38
  5. Step 5: Solve for x
    x = 38,527,323,827.38/251,671.02
  6. Step 6: Final answer
    x = 153,086.06

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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.