Home / 180,015.75-248,421.74-100,527.75

Finding the Fourth Proportional to 180,015.75, 248,421.74 and 100,527.75

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Solution

The fourth proportional to 180,015.75, 248,421.74 and 100,527.75 is: 138,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,015.75 : 248,421.74 = 100,527.75 : x
  2. Step 2: Convert to fraction form
    180,015.75/248,421.74 = 100,527.75/x
  3. Step 3: Cross multiply
    180,015.75x = 248,421.74 × 100,527.75
  4. Step 4: Simplify right side
    180,015.75x = 24,973,278,070.65
  5. Step 5: Solve for x
    x = 24,973,278,070.65/180,015.75
  6. Step 6: Final answer
    x = 138,728.30

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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.