Home / 188,875.40-260,647.57-103,992.46

Finding the Fourth Proportional to 188,875.40, 260,647.57 and 103,992.46

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Solution

The fourth proportional to 188,875.40, 260,647.57 and 103,992.46 is: 143,509.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,875.40 : 260,647.57 = 103,992.46 : x
  2. Step 2: Convert to fraction form
    188,875.40/260,647.57 = 103,992.46/x
  3. Step 3: Cross multiply
    188,875.40x = 260,647.57 × 103,992.46
  4. Step 4: Simplify right side
    188,875.40x = 27,105,381,475.69
  5. Step 5: Solve for x
    x = 27,105,381,475.69/188,875.40
  6. Step 6: Final answer
    x = 143,509.33

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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.