Home / 187,655.36-258,966.60-102,776

Finding the Fourth Proportional to 187,655.36, 258,966.60 and 102,776

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Solution

The fourth proportional to 187,655.36, 258,966.60 and 102,776 is: 141,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,655.36 : 258,966.60 = 102,776 : x
  2. Step 2: Convert to fraction form
    187,655.36/258,966.60 = 102,776/x
  3. Step 3: Cross multiply
    187,655.36x = 258,966.60 × 102,776
  4. Step 4: Simplify right side
    187,655.36x = 26,615,551,281.60
  5. Step 5: Solve for x
    x = 26,615,551,281.60/187,655.36
  6. Step 6: Final answer
    x = 141,832.09

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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.