Home / 104,648.13-144,413.67-56,901.51

Finding the Fourth Proportional to 104,648.13, 144,413.67 and 56,901.51

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Solution

The fourth proportional to 104,648.13, 144,413.67 and 56,901.51 is: 78,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,648.13 : 144,413.67 = 56,901.51 : x
  2. Step 2: Convert to fraction form
    104,648.13/144,413.67 = 56,901.51/x
  3. Step 3: Cross multiply
    104,648.13x = 144,413.67 × 56,901.51
  4. Step 4: Simplify right side
    104,648.13x = 8,217,355,887.64
  5. Step 5: Solve for x
    x = 8,217,355,887.64/104,648.13
  6. Step 6: Final answer
    x = 78,523.68

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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.