Home / 220,699.36-304,572-125,210.08

Finding the Fourth Proportional to 220,699.36, 304,572 and 125,210.08

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Solution

The fourth proportional to 220,699.36, 304,572 and 125,210.08 is: 172,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,699.36 : 304,572 = 125,210.08 : x
  2. Step 2: Convert to fraction form
    220,699.36/304,572 = 125,210.08/x
  3. Step 3: Cross multiply
    220,699.36x = 304,572 × 125,210.08
  4. Step 4: Simplify right side
    220,699.36x = 38,135,484,485.76
  5. Step 5: Solve for x
    x = 38,135,484,485.76/220,699.36
  6. Step 6: Final answer
    x = 172,793.82

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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.