Home / 131,312.86-197,154.24-67,317.58

Finding the Fourth Proportional to 131,312.86, 197,154.24 and 67,317.58

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Solution

The fourth proportional to 131,312.86, 197,154.24 and 67,317.58 is: 101,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,312.86 : 197,154.24 = 67,317.58 : x
  2. Step 2: Convert to fraction form
    131,312.86/197,154.24 = 67,317.58/x
  3. Step 3: Cross multiply
    131,312.86x = 197,154.24 × 67,317.58
  4. Step 4: Simplify right side
    131,312.86x = 13,271,946,323.54
  5. Step 5: Solve for x
    x = 13,271,946,323.54/131,312.86
  6. Step 6: Final answer
    x = 101,071.18

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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.