Home / 209,094.74-288,565.03-118,451.45

Finding the Fourth Proportional to 209,094.74, 288,565.03 and 118,451.45

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Solution

The fourth proportional to 209,094.74, 288,565.03 and 118,451.45 is: 163,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,094.74 : 288,565.03 = 118,451.45 : x
  2. Step 2: Convert to fraction form
    209,094.74/288,565.03 = 118,451.45/x
  3. Step 3: Cross multiply
    209,094.74x = 288,565.03 × 118,451.45
  4. Step 4: Simplify right side
    209,094.74x = 34,180,947,092.27
  5. Step 5: Solve for x
    x = 34,180,947,092.27/209,094.74
  6. Step 6: Final answer
    x = 163,471.10

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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.