Home / 187,230.21-258,377.69-102,347.26

Finding the Fourth Proportional to 187,230.21, 258,377.69 and 102,347.26

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Solution

The fourth proportional to 187,230.21, 258,377.69 and 102,347.26 is: 141,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,230.21 : 258,377.69 = 102,347.26 : x
  2. Step 2: Convert to fraction form
    187,230.21/258,377.69 = 102,347.26/x
  3. Step 3: Cross multiply
    187,230.21x = 258,377.69 × 102,347.26
  4. Step 4: Simplify right side
    187,230.21x = 26,444,248,616.63
  5. Step 5: Solve for x
    x = 26,444,248,616.63/187,230.21
  6. Step 6: Final answer
    x = 141,239.22

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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.