Home / 142,532.26-213,908.65-71,525.84

Finding the Fourth Proportional to 142,532.26, 213,908.65 and 71,525.84

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Solution

The fourth proportional to 142,532.26, 213,908.65 and 71,525.84 is: 107,344.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,532.26 : 213,908.65 = 71,525.84 : x
  2. Step 2: Convert to fraction form
    142,532.26/213,908.65 = 71,525.84/x
  3. Step 3: Cross multiply
    142,532.26x = 213,908.65 × 71,525.84
  4. Step 4: Simplify right side
    142,532.26x = 15,299,994,626.16
  5. Step 5: Solve for x
    x = 15,299,994,626.16/142,532.26
  6. Step 6: Final answer
    x = 107,344.08

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1.5x scale

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.