Home / 260,148.32-390,222.58-73,159.82

Finding the Fourth Proportional to 260,148.32, 390,222.58 and 73,159.82

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Solution

The fourth proportional to 260,148.32, 390,222.58 and 73,159.82 is: 109,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,148.32 : 390,222.58 = 73,159.82 : x
  2. Step 2: Convert to fraction form
    260,148.32/390,222.58 = 73,159.82/x
  3. Step 3: Cross multiply
    260,148.32x = 390,222.58 × 73,159.82
  4. Step 4: Simplify right side
    260,148.32x = 28,548,613,712.74
  5. Step 5: Solve for x
    x = 28,548,613,712.74/260,148.32
  6. Step 6: Final answer
    x = 109,739.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.