Home / 187,428.96-281,267.88-87,596.76

Finding the Fourth Proportional to 187,428.96, 281,267.88 and 87,596.76

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Solution

The fourth proportional to 187,428.96, 281,267.88 and 87,596.76 is: 131,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,428.96 : 281,267.88 = 87,596.76 : x
  2. Step 2: Convert to fraction form
    187,428.96/281,267.88 = 87,596.76/x
  3. Step 3: Cross multiply
    187,428.96x = 281,267.88 × 87,596.76
  4. Step 4: Simplify right side
    187,428.96x = 24,638,154,980.07
  5. Step 5: Solve for x
    x = 24,638,154,980.07/187,428.96
  6. Step 6: Final answer
    x = 131,453.30

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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.