Home / 142,023.43-196,063.35-88,325.74

Finding the Fourth Proportional to 142,023.43, 196,063.35 and 88,325.74

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Solution

The fourth proportional to 142,023.43, 196,063.35 and 88,325.74 is: 121,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,023.43 : 196,063.35 = 88,325.74 : x
  2. Step 2: Convert to fraction form
    142,023.43/196,063.35 = 88,325.74/x
  3. Step 3: Cross multiply
    142,023.43x = 196,063.35 × 88,325.74
  4. Step 4: Simplify right side
    142,023.43x = 17,317,440,475.63
  5. Step 5: Solve for x
    x = 17,317,440,475.63/142,023.43
  6. Step 6: Final answer
    x = 121,933.69

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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.