Home / 126,328.84-174,332.72-69,739

Finding the Fourth Proportional to 126,328.84, 174,332.72 and 69,739

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Solution

The fourth proportional to 126,328.84, 174,332.72 and 69,739 is: 96,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,328.84 : 174,332.72 = 69,739 : x
  2. Step 2: Convert to fraction form
    126,328.84/174,332.72 = 69,739/x
  3. Step 3: Cross multiply
    126,328.84x = 174,332.72 × 69,739
  4. Step 4: Simplify right side
    126,328.84x = 12,157,789,560.08
  5. Step 5: Solve for x
    x = 12,157,789,560.08/126,328.84
  6. Step 6: Final answer
    x = 96,239.22

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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.