Home / 212,772.09-293,621.85-117,287.67

Finding the Fourth Proportional to 212,772.09, 293,621.85 and 117,287.67

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Solution

The fourth proportional to 212,772.09, 293,621.85 and 117,287.67 is: 161,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,772.09 : 293,621.85 = 117,287.67 : x
  2. Step 2: Convert to fraction form
    212,772.09/293,621.85 = 117,287.67/x
  3. Step 3: Cross multiply
    212,772.09x = 293,621.85 × 117,287.67
  4. Step 4: Simplify right side
    212,772.09x = 34,438,222,647.59
  5. Step 5: Solve for x
    x = 34,438,222,647.59/212,772.09
  6. Step 6: Final answer
    x = 161,854.98

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1.5x scale

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.