Home / 187,877.02-259,280.73-107,330.68

Finding the Fourth Proportional to 187,877.02, 259,280.73 and 107,330.68

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Solution

The fourth proportional to 187,877.02, 259,280.73 and 107,330.68 is: 148,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,877.02 : 259,280.73 = 107,330.68 : x
  2. Step 2: Convert to fraction form
    187,877.02/259,280.73 = 107,330.68/x
  3. Step 3: Cross multiply
    187,877.02x = 259,280.73 × 107,330.68
  4. Step 4: Simplify right side
    187,877.02x = 27,828,777,061.80
  5. Step 5: Solve for x
    x = 27,828,777,061.80/187,877.02
  6. Step 6: Final answer
    x = 148,122.30

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1.5x scale

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.