Home / 131,907.48-182,059.80-121,280.28

Finding the Fourth Proportional to 131,907.48, 182,059.80 and 121,280.28

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Solution

The fourth proportional to 131,907.48, 182,059.80 and 121,280.28 is: 167,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,907.48 : 182,059.80 = 121,280.28 : x
  2. Step 2: Convert to fraction form
    131,907.48/182,059.80 = 121,280.28/x
  3. Step 3: Cross multiply
    131,907.48x = 182,059.80 × 121,280.28
  4. Step 4: Simplify right side
    131,907.48x = 22,080,263,520.74
  5. Step 5: Solve for x
    x = 22,080,263,520.74/131,907.48
  6. Step 6: Final answer
    x = 167,392.05

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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.