Home / 212,596.03-293,372.80-121,946.30

Finding the Fourth Proportional to 212,596.03, 293,372.80 and 121,946.30

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Solution

The fourth proportional to 212,596.03, 293,372.80 and 121,946.30 is: 168,280.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,596.03 : 293,372.80 = 121,946.30 : x
  2. Step 2: Convert to fraction form
    212,596.03/293,372.80 = 121,946.30/x
  3. Step 3: Cross multiply
    212,596.03x = 293,372.80 × 121,946.30
  4. Step 4: Simplify right side
    212,596.03x = 35,775,727,495.01
  5. Step 5: Solve for x
    x = 35,775,727,495.01/212,596.03
  6. Step 6: Final answer
    x = 168,280.32

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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.