Home / 187,417.54-258,631.77-102,535.30

Finding the Fourth Proportional to 187,417.54, 258,631.77 and 102,535.30

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Solution

The fourth proportional to 187,417.54, 258,631.77 and 102,535.30 is: 141,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,417.54 : 258,631.77 = 102,535.30 : x
  2. Step 2: Convert to fraction form
    187,417.54/258,631.77 = 102,535.30/x
  3. Step 3: Cross multiply
    187,417.54x = 258,631.77 × 102,535.30
  4. Step 4: Simplify right side
    187,417.54x = 26,518,886,126.48
  5. Step 5: Solve for x
    x = 26,518,886,126.48/187,417.54
  6. Step 6: Final answer
    x = 141,496.29

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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.