Home / 187,417.02-258,639.26-102,535.90

Finding the Fourth Proportional to 187,417.02, 258,639.26 and 102,535.90

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Solution

The fourth proportional to 187,417.02, 258,639.26 and 102,535.90 is: 141,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,417.02 : 258,639.26 = 102,535.90 : x
  2. Step 2: Convert to fraction form
    187,417.02/258,639.26 = 102,535.90/x
  3. Step 3: Cross multiply
    187,417.02x = 258,639.26 × 102,535.90
  4. Step 4: Simplify right side
    187,417.02x = 26,519,809,299.43
  5. Step 5: Solve for x
    x = 26,519,809,299.43/187,417.02
  6. Step 6: Final answer
    x = 141,501.61

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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.