Home / 125,262.75-172,953.32-80,628.51

Finding the Fourth Proportional to 125,262.75, 172,953.32 and 80,628.51

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Solution

The fourth proportional to 125,262.75, 172,953.32 and 80,628.51 is: 111,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,262.75 : 172,953.32 = 80,628.51 : x
  2. Step 2: Convert to fraction form
    125,262.75/172,953.32 = 80,628.51/x
  3. Step 3: Cross multiply
    125,262.75x = 172,953.32 × 80,628.51
  4. Step 4: Simplify right side
    125,262.75x = 13,944,968,088.01
  5. Step 5: Solve for x
    x = 13,944,968,088.01/125,262.75
  6. Step 6: Final answer
    x = 111,325.74

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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.