Home / 188,235.09-282,429.18-99,464.76

Finding the Fourth Proportional to 188,235.09, 282,429.18 and 99,464.76

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Solution

The fourth proportional to 188,235.09, 282,429.18 and 99,464.76 is: 149,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,235.09 : 282,429.18 = 99,464.76 : x
  2. Step 2: Convert to fraction form
    188,235.09/282,429.18 = 99,464.76/x
  3. Step 3: Cross multiply
    188,235.09x = 282,429.18 × 99,464.76
  4. Step 4: Simplify right side
    188,235.09x = 28,091,750,605.70
  5. Step 5: Solve for x
    x = 28,091,750,605.70/188,235.09
  6. Step 6: Final answer
    x = 149,237.59

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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.