Home / 126,130.54-173,879.29-99,226.32

Finding the Fourth Proportional to 126,130.54, 173,879.29 and 99,226.32

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Solution

The fourth proportional to 126,130.54, 173,879.29 and 99,226.32 is: 136,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,130.54 : 173,879.29 = 99,226.32 : x
  2. Step 2: Convert to fraction form
    126,130.54/173,879.29 = 99,226.32/x
  3. Step 3: Cross multiply
    126,130.54x = 173,879.29 × 99,226.32
  4. Step 4: Simplify right side
    126,130.54x = 17,253,402,070.91
  5. Step 5: Solve for x
    x = 17,253,402,070.91/126,130.54
  6. Step 6: Final answer
    x = 136,790.04

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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.