Home / 187,962.84-259,386.30-107,389.74

Finding the Fourth Proportional to 187,962.84, 259,386.30 and 107,389.74

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Solution

The fourth proportional to 187,962.84, 259,386.30 and 107,389.74 is: 148,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,962.84 : 259,386.30 = 107,389.74 : x
  2. Step 2: Convert to fraction form
    187,962.84/259,386.30 = 107,389.74/x
  3. Step 3: Cross multiply
    187,962.84x = 259,386.30 × 107,389.74
  4. Step 4: Simplify right side
    187,962.84x = 27,855,427,316.56
  5. Step 5: Solve for x
    x = 27,855,427,316.56/187,962.84
  6. Step 6: Final answer
    x = 148,196.46

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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.