Home / 185,328.08-278,044-72,938.96

Finding the Fourth Proportional to 185,328.08, 278,044 and 72,938.96

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Solution

The fourth proportional to 185,328.08, 278,044 and 72,938.96 is: 109,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,328.08 : 278,044 = 72,938.96 : x
  2. Step 2: Convert to fraction form
    185,328.08/278,044 = 72,938.96/x
  3. Step 3: Cross multiply
    185,328.08x = 278,044 × 72,938.96
  4. Step 4: Simplify right side
    185,328.08x = 20,280,240,194.24
  5. Step 5: Solve for x
    x = 20,280,240,194.24/185,328.08
  6. Step 6: Final answer
    x = 109,428.86

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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.