Home / 124,869.99-172,287.34-71,153.85

Finding the Fourth Proportional to 124,869.99, 172,287.34 and 71,153.85

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Solution

The fourth proportional to 124,869.99, 172,287.34 and 71,153.85 is: 98,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,869.99 : 172,287.34 = 71,153.85 : x
  2. Step 2: Convert to fraction form
    124,869.99/172,287.34 = 71,153.85/x
  3. Step 3: Cross multiply
    124,869.99x = 172,287.34 × 71,153.85
  4. Step 4: Simplify right side
    124,869.99x = 12,258,907,547.26
  5. Step 5: Solve for x
    x = 12,258,907,547.26/124,869.99
  6. Step 6: Final answer
    x = 98,173.37

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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.