Home / 258,006.08-356,016.15-143,269.13

Finding the Fourth Proportional to 258,006.08, 356,016.15 and 143,269.13

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Solution

The fourth proportional to 258,006.08, 356,016.15 and 143,269.13 is: 197,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,006.08 : 356,016.15 = 143,269.13 : x
  2. Step 2: Convert to fraction form
    258,006.08/356,016.15 = 143,269.13/x
  3. Step 3: Cross multiply
    258,006.08x = 356,016.15 × 143,269.13
  4. Step 4: Simplify right side
    258,006.08x = 51,006,123,254.76
  5. Step 5: Solve for x
    x = 51,006,123,254.76/258,006.08
  6. Step 6: Final answer
    x = 197,693.49

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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.