Home / 142,927.94-197,209.01-82,485.74

Finding the Fourth Proportional to 142,927.94, 197,209.01 and 82,485.74

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Solution

The fourth proportional to 142,927.94, 197,209.01 and 82,485.74 is: 113,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,927.94 : 197,209.01 = 82,485.74 : x
  2. Step 2: Convert to fraction form
    142,927.94/197,209.01 = 82,485.74/x
  3. Step 3: Cross multiply
    142,927.94x = 197,209.01 × 82,485.74
  4. Step 4: Simplify right side
    142,927.94x = 16,266,931,823.75
  5. Step 5: Solve for x
    x = 16,266,931,823.75/142,927.94
  6. Step 6: Final answer
    x = 113,812.12

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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.