Home / 105,027.13-157,413.57-75,383.74

Finding the Fourth Proportional to 105,027.13, 157,413.57 and 75,383.74

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Solution

The fourth proportional to 105,027.13, 157,413.57 and 75,383.74 is: 112,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.13 : 157,413.57 = 75,383.74 : x
  2. Step 2: Convert to fraction form
    105,027.13/157,413.57 = 75,383.74/x
  3. Step 3: Cross multiply
    105,027.13x = 157,413.57 × 75,383.74
  4. Step 4: Simplify right side
    105,027.13x = 11,866,423,633.35
  5. Step 5: Solve for x
    x = 11,866,423,633.35/105,027.13
  6. Step 6: Final answer
    x = 112,984.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.