Home / 187,486.02-258,731.55-102,602.88

Finding the Fourth Proportional to 187,486.02, 258,731.55 and 102,602.88

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Solution

The fourth proportional to 187,486.02, 258,731.55 and 102,602.88 is: 141,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,486.02 : 258,731.55 = 102,602.88 : x
  2. Step 2: Convert to fraction form
    187,486.02/258,731.55 = 102,602.88/x
  3. Step 3: Cross multiply
    187,486.02x = 258,731.55 × 102,602.88
  4. Step 4: Simplify right side
    187,486.02x = 26,546,602,176.86
  5. Step 5: Solve for x
    x = 26,546,602,176.86/187,486.02
  6. Step 6: Final answer
    x = 141,592.44

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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.