Home / 126,804.18-174,989.88-70,214.34

Finding the Fourth Proportional to 126,804.18, 174,989.88 and 70,214.34

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Solution

The fourth proportional to 126,804.18, 174,989.88 and 70,214.34 is: 96,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.18 : 174,989.88 = 70,214.34 : x
  2. Step 2: Convert to fraction form
    126,804.18/174,989.88 = 70,214.34/x
  3. Step 3: Cross multiply
    126,804.18x = 174,989.88 × 70,214.34
  4. Step 4: Simplify right side
    126,804.18x = 12,286,798,930.88
  5. Step 5: Solve for x
    x = 12,286,798,930.88/126,804.18
  6. Step 6: Final answer
    x = 96,895.85

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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.