Home / 119,319.89-164,661.86-65,608.28

Finding the Fourth Proportional to 119,319.89, 164,661.86 and 65,608.28

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Solution

The fourth proportional to 119,319.89, 164,661.86 and 65,608.28 is: 90,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,319.89 : 164,661.86 = 65,608.28 : x
  2. Step 2: Convert to fraction form
    119,319.89/164,661.86 = 65,608.28/x
  3. Step 3: Cross multiply
    119,319.89x = 164,661.86 × 65,608.28
  4. Step 4: Simplify right side
    119,319.89x = 10,803,181,374.39
  5. Step 5: Solve for x
    x = 10,803,181,374.39/119,319.89
  6. Step 6: Final answer
    x = 90,539.66

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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.