Home / 208,763.20-288,107.46-118,119.16

Finding the Fourth Proportional to 208,763.20, 288,107.46 and 118,119.16

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Solution

The fourth proportional to 208,763.20, 288,107.46 and 118,119.16 is: 163,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,763.20 : 288,107.46 = 118,119.16 : x
  2. Step 2: Convert to fraction form
    208,763.20/288,107.46 = 118,119.16/x
  3. Step 3: Cross multiply
    208,763.20x = 288,107.46 × 118,119.16
  4. Step 4: Simplify right side
    208,763.20x = 34,031,011,164.93
  5. Step 5: Solve for x
    x = 34,031,011,164.93/208,763.20
  6. Step 6: Final answer
    x = 163,012.50

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1.5x scale

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.