Home / 212,811.56-293,681.94-117,321.68

Finding the Fourth Proportional to 212,811.56, 293,681.94 and 117,321.68

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Solution

The fourth proportional to 212,811.56, 293,681.94 and 117,321.68 is: 161,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,811.56 : 293,681.94 = 117,321.68 : x
  2. Step 2: Convert to fraction form
    212,811.56/293,681.94 = 117,321.68/x
  3. Step 3: Cross multiply
    212,811.56x = 293,681.94 × 117,321.68
  4. Step 4: Simplify right side
    212,811.56x = 34,455,258,586.46
  5. Step 5: Solve for x
    x = 34,455,258,586.46/212,811.56
  6. Step 6: Final answer
    x = 161,905.01

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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.