Home / 121,076.88-181,365.18-71,006.19

Finding the Fourth Proportional to 121,076.88, 181,365.18 and 71,006.19

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Solution

The fourth proportional to 121,076.88, 181,365.18 and 71,006.19 is: 106,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,076.88 : 181,365.18 = 71,006.19 : x
  2. Step 2: Convert to fraction form
    121,076.88/181,365.18 = 71,006.19/x
  3. Step 3: Cross multiply
    121,076.88x = 181,365.18 × 71,006.19
  4. Step 4: Simplify right side
    121,076.88x = 12,878,049,484.07
  5. Step 5: Solve for x
    x = 12,878,049,484.07/121,076.88
  6. Step 6: Final answer
    x = 106,362.58

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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.