Home / 220,862.16-304,709.73-125,313.51

Finding the Fourth Proportional to 220,862.16, 304,709.73 and 125,313.51

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Solution

The fourth proportional to 220,862.16, 304,709.73 and 125,313.51 is: 172,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,862.16 : 304,709.73 = 125,313.51 : x
  2. Step 2: Convert to fraction form
    220,862.16/304,709.73 = 125,313.51/x
  3. Step 3: Cross multiply
    220,862.16x = 304,709.73 × 125,313.51
  4. Step 4: Simplify right side
    220,862.16x = 38,184,245,797.45
  5. Step 5: Solve for x
    x = 38,184,245,797.45/220,862.16
  6. Step 6: Final answer
    x = 172,887.22

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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.