Home / 126,325.08-189,602.37-67,210.20

Finding the Fourth Proportional to 126,325.08, 189,602.37 and 67,210.20

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Solution

The fourth proportional to 126,325.08, 189,602.37 and 67,210.20 is: 100,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,325.08 : 189,602.37 = 67,210.20 : x
  2. Step 2: Convert to fraction form
    126,325.08/189,602.37 = 67,210.20/x
  3. Step 3: Cross multiply
    126,325.08x = 189,602.37 × 67,210.20
  4. Step 4: Simplify right side
    126,325.08x = 12,743,213,208.17
  5. Step 5: Solve for x
    x = 12,743,213,208.17/126,325.08
  6. Step 6: Final answer
    x = 100,876.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.