Home / 126,690.46-174,820.93-85,771.35

Finding the Fourth Proportional to 126,690.46, 174,820.93 and 85,771.35

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Solution

The fourth proportional to 126,690.46, 174,820.93 and 85,771.35 is: 118,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.46 : 174,820.93 = 85,771.35 : x
  2. Step 2: Convert to fraction form
    126,690.46/174,820.93 = 85,771.35/x
  3. Step 3: Cross multiply
    126,690.46x = 174,820.93 × 85,771.35
  4. Step 4: Simplify right side
    126,690.46x = 14,994,627,174.36
  5. Step 5: Solve for x
    x = 14,994,627,174.36/126,690.46
  6. Step 6: Final answer
    x = 118,356.40

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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.