Home / 188,535.36-282,187.68-138,602.24

Finding the Fourth Proportional to 188,535.36, 282,187.68 and 138,602.24

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Solution

The fourth proportional to 188,535.36, 282,187.68 and 138,602.24 is: 207,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,535.36 : 282,187.68 = 138,602.24 : x
  2. Step 2: Convert to fraction form
    188,535.36/282,187.68 = 138,602.24/x
  3. Step 3: Cross multiply
    188,535.36x = 282,187.68 × 138,602.24
  4. Step 4: Simplify right side
    188,535.36x = 39,111,844,548.40
  5. Step 5: Solve for x
    x = 39,111,844,548.40/188,535.36
  6. Step 6: Final answer
    x = 207,450.98

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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.