Home / 142,675.63-196,705.67-122,746.59

Finding the Fourth Proportional to 142,675.63, 196,705.67 and 122,746.59

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Solution

The fourth proportional to 142,675.63, 196,705.67 and 122,746.59 is: 169,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,675.63 : 196,705.67 = 122,746.59 : x
  2. Step 2: Convert to fraction form
    142,675.63/196,705.67 = 122,746.59/x
  3. Step 3: Cross multiply
    142,675.63x = 196,705.67 × 122,746.59
  4. Step 4: Simplify right side
    142,675.63x = 24,144,949,612.43
  5. Step 5: Solve for x
    x = 24,144,949,612.43/142,675.63
  6. Step 6: Final answer
    x = 169,229.67

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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.