Home / 187,359.16-258,561.81-102,476.21

Finding the Fourth Proportional to 187,359.16, 258,561.81 and 102,476.21

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Solution

The fourth proportional to 187,359.16, 258,561.81 and 102,476.21 is: 141,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,359.16 : 258,561.81 = 102,476.21 : x
  2. Step 2: Convert to fraction form
    187,359.16/258,561.81 = 102,476.21/x
  3. Step 3: Cross multiply
    187,359.16x = 258,561.81 × 102,476.21
  4. Step 4: Simplify right side
    187,359.16x = 26,496,434,339.54
  5. Step 5: Solve for x
    x = 26,496,434,339.54/187,359.16
  6. Step 6: Final answer
    x = 141,420.54

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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.