Home / 209,361.18-288,853.23-118,710.03

Finding the Fourth Proportional to 209,361.18, 288,853.23 and 118,710.03

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Solution

The fourth proportional to 209,361.18, 288,853.23 and 118,710.03 is: 163,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,361.18 : 288,853.23 = 118,710.03 : x
  2. Step 2: Convert to fraction form
    209,361.18/288,853.23 = 118,710.03/x
  3. Step 3: Cross multiply
    209,361.18x = 288,853.23 × 118,710.03
  4. Step 4: Simplify right side
    209,361.18x = 34,289,775,598.90
  5. Step 5: Solve for x
    x = 34,289,775,598.90/209,361.18
  6. Step 6: Final answer
    x = 163,782.87

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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.