Home / 114,879.47-172,320.03-39,999.48

Finding the Fourth Proportional to 114,879.47, 172,320.03 and 39,999.48

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Solution

The fourth proportional to 114,879.47, 172,320.03 and 39,999.48 is: 59,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,879.47 : 172,320.03 = 39,999.48 : x
  2. Step 2: Convert to fraction form
    114,879.47/172,320.03 = 39,999.48/x
  3. Step 3: Cross multiply
    114,879.47x = 172,320.03 × 39,999.48
  4. Step 4: Simplify right side
    114,879.47x = 6,892,712,271.51
  5. Step 5: Solve for x
    x = 6,892,712,271.51/114,879.47
  6. Step 6: Final answer
    x = 59,999.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.