Home / 131,442.59-197,145.36-42,697.17

Finding the Fourth Proportional to 131,442.59, 197,145.36 and 42,697.17

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Solution

The fourth proportional to 131,442.59, 197,145.36 and 42,697.17 is: 64,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,442.59 : 197,145.36 = 42,697.17 : x
  2. Step 2: Convert to fraction form
    131,442.59/197,145.36 = 42,697.17/x
  3. Step 3: Cross multiply
    131,442.59x = 197,145.36 × 42,697.17
  4. Step 4: Simplify right side
    131,442.59x = 8,417,548,950.63
  5. Step 5: Solve for x
    x = 8,417,548,950.63/131,442.59
  6. Step 6: Final answer
    x = 64,039.74

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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.