Home / 187,070.05-258,152.48-102,187.45

Finding the Fourth Proportional to 187,070.05, 258,152.48 and 102,187.45

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Solution

The fourth proportional to 187,070.05, 258,152.48 and 102,187.45 is: 141,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,070.05 : 258,152.48 = 102,187.45 : x
  2. Step 2: Convert to fraction form
    187,070.05/258,152.48 = 102,187.45/x
  3. Step 3: Cross multiply
    187,070.05x = 258,152.48 × 102,187.45
  4. Step 4: Simplify right side
    187,070.05x = 26,379,943,131.44
  5. Step 5: Solve for x
    x = 26,379,943,131.44/187,070.05
  6. Step 6: Final answer
    x = 141,016.39

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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.