Home / 187,585.54-281,134.23-143,048.50

Finding the Fourth Proportional to 187,585.54, 281,134.23 and 143,048.50

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Solution

The fourth proportional to 187,585.54, 281,134.23 and 143,048.50 is: 214,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,585.54 : 281,134.23 = 143,048.50 : x
  2. Step 2: Convert to fraction form
    187,585.54/281,134.23 = 143,048.50/x
  3. Step 3: Cross multiply
    187,585.54x = 281,134.23 × 143,048.50
  4. Step 4: Simplify right side
    187,585.54x = 40,215,829,900.16
  5. Step 5: Solve for x
    x = 40,215,829,900.16/187,585.54
  6. Step 6: Final answer
    x = 214,386.62

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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.