Home / 126,250.81-174,242.78-80,314.93

Finding the Fourth Proportional to 126,250.81, 174,242.78 and 80,314.93

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Solution

The fourth proportional to 126,250.81, 174,242.78 and 80,314.93 is: 110,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.81 : 174,242.78 = 80,314.93 : x
  2. Step 2: Convert to fraction form
    126,250.81/174,242.78 = 80,314.93/x
  3. Step 3: Cross multiply
    126,250.81x = 174,242.78 × 80,314.93
  4. Step 4: Simplify right side
    126,250.81x = 13,994,296,678.71
  5. Step 5: Solve for x
    x = 13,994,296,678.71/126,250.81
  6. Step 6: Final answer
    x = 110,845.20

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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.