Home / 209,746.32-314,445.30-83,308.56

Finding the Fourth Proportional to 209,746.32, 314,445.30 and 83,308.56

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Solution

The fourth proportional to 209,746.32, 314,445.30 and 83,308.56 is: 124,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746.32 : 314,445.30 = 83,308.56 : x
  2. Step 2: Convert to fraction form
    209,746.32/314,445.30 = 83,308.56/x
  3. Step 3: Cross multiply
    209,746.32x = 314,445.30 × 83,308.56
  4. Step 4: Simplify right side
    209,746.32x = 26,195,985,141.77
  5. Step 5: Solve for x
    x = 26,195,985,141.77/209,746.32
  6. Step 6: Final answer
    x = 124,893.66

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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.