Home / 209,518.32-314,119.08-104,411.52

Finding the Fourth Proportional to 209,518.32, 314,119.08 and 104,411.52

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Solution

The fourth proportional to 209,518.32, 314,119.08 and 104,411.52 is: 156,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,518.32 : 314,119.08 = 104,411.52 : x
  2. Step 2: Convert to fraction form
    209,518.32/314,119.08 = 104,411.52/x
  3. Step 3: Cross multiply
    209,518.32x = 314,119.08 × 104,411.52
  4. Step 4: Simplify right side
    209,518.32x = 32,797,650,603.80
  5. Step 5: Solve for x
    x = 32,797,650,603.80/209,518.32
  6. Step 6: Final answer
    x = 156,538.34

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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.