Home / 187,285.87-258,450.58-102,402.93

Finding the Fourth Proportional to 187,285.87, 258,450.58 and 102,402.93

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Solution

The fourth proportional to 187,285.87, 258,450.58 and 102,402.93 is: 141,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,285.87 : 258,450.58 = 102,402.93 : x
  2. Step 2: Convert to fraction form
    187,285.87/258,450.58 = 102,402.93/x
  3. Step 3: Cross multiply
    187,285.87x = 258,450.58 × 102,402.93
  4. Step 4: Simplify right side
    187,285.87x = 26,466,097,749.39
  5. Step 5: Solve for x
    x = 26,466,097,749.39/187,285.87
  6. Step 6: Final answer
    x = 141,313.90

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1.5x scale

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.