Home / 187,102.48-258,200.86-102,220.16

Finding the Fourth Proportional to 187,102.48, 258,200.86 and 102,220.16

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Solution

The fourth proportional to 187,102.48, 258,200.86 and 102,220.16 is: 141,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,102.48 : 258,200.86 = 102,220.16 : x
  2. Step 2: Convert to fraction form
    187,102.48/258,200.86 = 102,220.16/x
  3. Step 3: Cross multiply
    187,102.48x = 258,200.86 × 102,220.16
  4. Step 4: Simplify right side
    187,102.48x = 26,393,333,221.34
  5. Step 5: Solve for x
    x = 26,393,333,221.34/187,102.48
  6. Step 6: Final answer
    x = 141,063.51

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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.