Home / 261,053.22-391,617.39-99,006.93

Finding the Fourth Proportional to 261,053.22, 391,617.39 and 99,006.93

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Solution

The fourth proportional to 261,053.22, 391,617.39 and 99,006.93 is: 148,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,053.22 : 391,617.39 = 99,006.93 : x
  2. Step 2: Convert to fraction form
    261,053.22/391,617.39 = 99,006.93/x
  3. Step 3: Cross multiply
    261,053.22x = 391,617.39 × 99,006.93
  4. Step 4: Simplify right side
    261,053.22x = 38,772,835,518.51
  5. Step 5: Solve for x
    x = 38,772,835,518.51/261,053.22
  6. Step 6: Final answer
    x = 148,524.64

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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.