Home / 125,246.76-172,852.89-71,539.81

Finding the Fourth Proportional to 125,246.76, 172,852.89 and 71,539.81

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Solution

The fourth proportional to 125,246.76, 172,852.89 and 71,539.81 is: 98,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,246.76 : 172,852.89 = 71,539.81 : x
  2. Step 2: Convert to fraction form
    125,246.76/172,852.89 = 71,539.81/x
  3. Step 3: Cross multiply
    125,246.76x = 172,852.89 × 71,539.81
  4. Step 4: Simplify right side
    125,246.76x = 12,365,862,208.14
  5. Step 5: Solve for x
    x = 12,365,862,208.14/125,246.76
  6. Step 6: Final answer
    x = 98,732.00

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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.