Home / 103,663.29-143,058.14-58,342.87

Finding the Fourth Proportional to 103,663.29, 143,058.14 and 58,342.87

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Solution

The fourth proportional to 103,663.29, 143,058.14 and 58,342.87 is: 80,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,663.29 : 143,058.14 = 58,342.87 : x
  2. Step 2: Convert to fraction form
    103,663.29/143,058.14 = 58,342.87/x
  3. Step 3: Cross multiply
    103,663.29x = 143,058.14 × 58,342.87
  4. Step 4: Simplify right side
    103,663.29x = 8,346,422,464.46
  5. Step 5: Solve for x
    x = 8,346,422,464.46/103,663.29
  6. Step 6: Final answer
    x = 80,514.74

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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.