Home / 208,940.32-288,241.20-124,009.12

Finding the Fourth Proportional to 208,940.32, 288,241.20 and 124,009.12

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Solution

The fourth proportional to 208,940.32, 288,241.20 and 124,009.12 is: 171,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,940.32 : 288,241.20 = 124,009.12 : x
  2. Step 2: Convert to fraction form
    208,940.32/288,241.20 = 124,009.12/x
  3. Step 3: Cross multiply
    208,940.32x = 288,241.20 × 124,009.12
  4. Step 4: Simplify right side
    208,940.32x = 35,744,537,559.74
  5. Step 5: Solve for x
    x = 35,744,537,559.74/208,940.32
  6. Step 6: Final answer
    x = 171,075.35

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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.