Home / 105,570.26-145,686.98-57,825.32

Finding the Fourth Proportional to 105,570.26, 145,686.98 and 57,825.32

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Solution

The fourth proportional to 105,570.26, 145,686.98 and 57,825.32 is: 79,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,570.26 : 145,686.98 = 57,825.32 : x
  2. Step 2: Convert to fraction form
    105,570.26/145,686.98 = 57,825.32/x
  3. Step 3: Cross multiply
    105,570.26x = 145,686.98 × 57,825.32
  4. Step 4: Simplify right side
    105,570.26x = 8,424,396,238.33
  5. Step 5: Solve for x
    x = 8,424,396,238.33/105,570.26
  6. Step 6: Final answer
    x = 79,798.95

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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.