Home / 212,478.88-293,216.68-116,987.16

Finding the Fourth Proportional to 212,478.88, 293,216.68 and 116,987.16

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Solution

The fourth proportional to 212,478.88, 293,216.68 and 116,987.16 is: 161,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,478.88 : 293,216.68 = 116,987.16 : x
  2. Step 2: Convert to fraction form
    212,478.88/293,216.68 = 116,987.16/x
  3. Step 3: Cross multiply
    212,478.88x = 293,216.68 × 116,987.16
  4. Step 4: Simplify right side
    212,478.88x = 34,302,586,657.83
  5. Step 5: Solve for x
    x = 34,302,586,657.83/212,478.88
  6. Step 6: Final answer
    x = 161,439.98

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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.