Home / 125,020.77-172,485.96-71,267.04

Finding the Fourth Proportional to 125,020.77, 172,485.96 and 71,267.04

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Solution

The fourth proportional to 125,020.77, 172,485.96 and 71,267.04 is: 98,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,020.77 : 172,485.96 = 71,267.04 : x
  2. Step 2: Convert to fraction form
    125,020.77/172,485.96 = 71,267.04/x
  3. Step 3: Cross multiply
    125,020.77x = 172,485.96 × 71,267.04
  4. Step 4: Simplify right side
    125,020.77x = 12,292,563,543.51
  5. Step 5: Solve for x
    x = 12,292,563,543.51/125,020.77
  6. Step 6: Final answer
    x = 98,324.17

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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.