Home / 187,542.32-258,809.10-102,667.28

Finding the Fourth Proportional to 187,542.32, 258,809.10 and 102,667.28

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Solution

The fourth proportional to 187,542.32, 258,809.10 and 102,667.28 is: 141,681.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,542.32 : 258,809.10 = 102,667.28 : x
  2. Step 2: Convert to fraction form
    187,542.32/258,809.10 = 102,667.28/x
  3. Step 3: Cross multiply
    187,542.32x = 258,809.10 × 102,667.28
  4. Step 4: Simplify right side
    187,542.32x = 26,571,226,336.25
  5. Step 5: Solve for x
    x = 26,571,226,336.25/187,542.32
  6. Step 6: Final answer
    x = 141,681.23

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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.