Home / 136,092.42-187,746.93-79,478.82

Finding the Fourth Proportional to 136,092.42, 187,746.93 and 79,478.82

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Solution

The fourth proportional to 136,092.42, 187,746.93 and 79,478.82 is: 109,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092.42 : 187,746.93 = 79,478.82 : x
  2. Step 2: Convert to fraction form
    136,092.42/187,746.93 = 79,478.82/x
  3. Step 3: Cross multiply
    136,092.42x = 187,746.93 × 79,478.82
  4. Step 4: Simplify right side
    136,092.42x = 14,921,904,455.02
  5. Step 5: Solve for x
    x = 14,921,904,455.02/136,092.42
  6. Step 6: Final answer
    x = 109,645.38

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1.5x scale

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.