Home / 187,509.12-258,756.30-106,962.72

Finding the Fourth Proportional to 187,509.12, 258,756.30 and 106,962.72

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Solution

The fourth proportional to 187,509.12, 258,756.30 and 106,962.72 is: 147,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,509.12 : 258,756.30 = 106,962.72 : x
  2. Step 2: Convert to fraction form
    187,509.12/258,756.30 = 106,962.72/x
  3. Step 3: Cross multiply
    187,509.12x = 258,756.30 × 106,962.72
  4. Step 4: Simplify right side
    187,509.12x = 27,677,277,665.14
  5. Step 5: Solve for x
    x = 27,677,277,665.14/187,509.12
  6. Step 6: Final answer
    x = 147,604.97

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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.