Home / 212,835.81-293,715.42-117,345.93

Finding the Fourth Proportional to 212,835.81, 293,715.42 and 117,345.93

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Solution

The fourth proportional to 212,835.81, 293,715.42 and 117,345.93 is: 161,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,835.81 : 293,715.42 = 117,345.93 : x
  2. Step 2: Convert to fraction form
    212,835.81/293,715.42 = 117,345.93/x
  3. Step 3: Cross multiply
    212,835.81x = 293,715.42 × 117,345.93
  4. Step 4: Simplify right side
    212,835.81x = 34,466,309,115.24
  5. Step 5: Solve for x
    x = 34,466,309,115.24/212,835.81
  6. Step 6: Final answer
    x = 161,938.49

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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.