Home / 103,857.93-143,323.76-56,111.13

Finding the Fourth Proportional to 103,857.93, 143,323.76 and 56,111.13

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Solution

The fourth proportional to 103,857.93, 143,323.76 and 56,111.13 is: 77,433.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,857.93 : 143,323.76 = 56,111.13 : x
  2. Step 2: Convert to fraction form
    103,857.93/143,323.76 = 56,111.13/x
  3. Step 3: Cross multiply
    103,857.93x = 143,323.76 × 56,111.13
  4. Step 4: Simplify right side
    103,857.93x = 8,042,058,269.73
  5. Step 5: Solve for x
    x = 8,042,058,269.73/103,857.93
  6. Step 6: Final answer
    x = 77,433.26

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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.