Home / 105,416.76-145,481.58-60,719.16

Finding the Fourth Proportional to 105,416.76, 145,481.58 and 60,719.16

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Solution

The fourth proportional to 105,416.76, 145,481.58 and 60,719.16 is: 83,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,416.76 : 145,481.58 = 60,719.16 : x
  2. Step 2: Convert to fraction form
    105,416.76/145,481.58 = 60,719.16/x
  3. Step 3: Cross multiply
    105,416.76x = 145,481.58 × 60,719.16
  4. Step 4: Simplify right side
    105,416.76x = 8,833,519,333.07
  5. Step 5: Solve for x
    x = 8,833,519,333.07/105,416.76
  6. Step 6: Final answer
    x = 83,796.16

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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.