Home / 187,392.20-258,603.28-102,509.26

Finding the Fourth Proportional to 187,392.20, 258,603.28 and 102,509.26

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Solution

The fourth proportional to 187,392.20, 258,603.28 and 102,509.26 is: 141,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,392.20 : 258,603.28 = 102,509.26 : x
  2. Step 2: Convert to fraction form
    187,392.20/258,603.28 = 102,509.26/x
  3. Step 3: Cross multiply
    187,392.20x = 258,603.28 × 102,509.26
  4. Step 4: Simplify right side
    187,392.20x = 26,509,230,866.37
  5. Step 5: Solve for x
    x = 26,509,230,866.37/187,392.20
  6. Step 6: Final answer
    x = 141,463.90

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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.