Home / 187,503.60-258,756.48-102,621.36

Finding the Fourth Proportional to 187,503.60, 258,756.48 and 102,621.36

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Solution

The fourth proportional to 187,503.60, 258,756.48 and 102,621.36 is: 141,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,503.60 : 258,756.48 = 102,621.36 : x
  2. Step 2: Convert to fraction form
    187,503.60/258,756.48 = 102,621.36/x
  3. Step 3: Cross multiply
    187,503.60x = 258,756.48 × 102,621.36
  4. Step 4: Simplify right side
    187,503.60x = 26,553,941,886.41
  5. Step 5: Solve for x
    x = 26,553,941,886.41/187,503.60
  6. Step 6: Final answer
    x = 141,618.30

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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.