Home / 105,190.48-145,156.93-59,879.49

Finding the Fourth Proportional to 105,190.48, 145,156.93 and 59,879.49

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Solution

The fourth proportional to 105,190.48, 145,156.93 and 59,879.49 is: 82,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.48 : 145,156.93 = 59,879.49 : x
  2. Step 2: Convert to fraction form
    105,190.48/145,156.93 = 59,879.49/x
  3. Step 3: Cross multiply
    105,190.48x = 145,156.93 × 59,879.49
  4. Step 4: Simplify right side
    105,190.48x = 8,691,922,938.37
  5. Step 5: Solve for x
    x = 8,691,922,938.37/105,190.48
  6. Step 6: Final answer
    x = 82,630.32

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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.