Home / 187,437.50-281,156.52-76,629.50

Finding the Fourth Proportional to 187,437.50, 281,156.52 and 76,629.50

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Solution

The fourth proportional to 187,437.50, 281,156.52 and 76,629.50 is: 114,944.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,437.50 : 281,156.52 = 76,629.50 : x
  2. Step 2: Convert to fraction form
    187,437.50/281,156.52 = 76,629.50/x
  3. Step 3: Cross multiply
    187,437.50x = 281,156.52 × 76,629.50
  4. Step 4: Simplify right side
    187,437.50x = 21,544,883,549.34
  5. Step 5: Solve for x
    x = 21,544,883,549.34/187,437.50
  6. Step 6: Final answer
    x = 114,944.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.