Home / 185,730.27-278,635.41-57,643.89

Finding the Fourth Proportional to 185,730.27, 278,635.41 and 57,643.89

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Solution

The fourth proportional to 185,730.27, 278,635.41 and 57,643.89 is: 86,478.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,730.27 : 278,635.41 = 57,643.89 : x
  2. Step 2: Convert to fraction form
    185,730.27/278,635.41 = 57,643.89/x
  3. Step 3: Cross multiply
    185,730.27x = 278,635.41 × 57,643.89
  4. Step 4: Simplify right side
    185,730.27x = 16,061,627,879.26
  5. Step 5: Solve for x
    x = 16,061,627,879.26/185,730.27
  6. Step 6: Final answer
    x = 86,478.25

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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.