Home / 260,080.13-358,911-140,848.13

Finding the Fourth Proportional to 260,080.13, 358,911 and 140,848.13

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Solution

The fourth proportional to 260,080.13, 358,911 and 140,848.13 is: 194,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,080.13 : 358,911 = 140,848.13 : x
  2. Step 2: Convert to fraction form
    260,080.13/358,911 = 140,848.13/x
  3. Step 3: Cross multiply
    260,080.13x = 358,911 × 140,848.13
  4. Step 4: Simplify right side
    260,080.13x = 50,551,941,391.88
  5. Step 5: Solve for x
    x = 50,551,941,391.88/260,080.13
  6. Step 6: Final answer
    x = 194,370.64

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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.