Home / 142,538.22-213,802.92-67,712.22

Finding the Fourth Proportional to 142,538.22, 213,802.92 and 67,712.22

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Solution

The fourth proportional to 142,538.22, 213,802.92 and 67,712.22 is: 101,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,538.22 : 213,802.92 = 67,712.22 : x
  2. Step 2: Convert to fraction form
    142,538.22/213,802.92 = 67,712.22/x
  3. Step 3: Cross multiply
    142,538.22x = 213,802.92 × 67,712.22
  4. Step 4: Simplify right side
    142,538.22x = 14,477,070,355.68
  5. Step 5: Solve for x
    x = 14,477,070,355.68/142,538.22
  6. Step 6: Final answer
    x = 101,566.24

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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.