Home / 126,808.77-174,989.10-70,216.50

Finding the Fourth Proportional to 126,808.77, 174,989.10 and 70,216.50

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Solution

The fourth proportional to 126,808.77, 174,989.10 and 70,216.50 is: 96,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,808.77 : 174,989.10 = 70,216.50 : x
  2. Step 2: Convert to fraction form
    126,808.77/174,989.10 = 70,216.50/x
  3. Step 3: Cross multiply
    126,808.77x = 174,989.10 × 70,216.50
  4. Step 4: Simplify right side
    126,808.77x = 12,287,122,140.15
  5. Step 5: Solve for x
    x = 12,287,122,140.15/126,808.77
  6. Step 6: Final answer
    x = 96,894.89

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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.