Home / 126,220.16-174,182.64-69,630.32

Finding the Fourth Proportional to 126,220.16, 174,182.64 and 69,630.32

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Solution

The fourth proportional to 126,220.16, 174,182.64 and 69,630.32 is: 96,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,220.16 : 174,182.64 = 69,630.32 : x
  2. Step 2: Convert to fraction form
    126,220.16/174,182.64 = 69,630.32/x
  3. Step 3: Cross multiply
    126,220.16x = 174,182.64 × 69,630.32
  4. Step 4: Simplify right side
    126,220.16x = 12,128,392,961.64
  5. Step 5: Solve for x
    x = 12,128,392,961.64/126,220.16
  6. Step 6: Final answer
    x = 96,089.19

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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.