Home / 188,070.15-282,129.83-99,327.16

Finding the Fourth Proportional to 188,070.15, 282,129.83 and 99,327.16

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Solution

The fourth proportional to 188,070.15, 282,129.83 and 99,327.16 is: 149,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,070.15 : 282,129.83 = 99,327.16 : x
  2. Step 2: Convert to fraction form
    188,070.15/282,129.83 = 99,327.16/x
  3. Step 3: Cross multiply
    188,070.15x = 282,129.83 × 99,327.16
  4. Step 4: Simplify right side
    188,070.15x = 28,023,155,552.40
  5. Step 5: Solve for x
    x = 28,023,155,552.40/188,070.15
  6. Step 6: Final answer
    x = 149,003.74

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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.