Home / 212,623.92-293,410.08-117,128.16

Finding the Fourth Proportional to 212,623.92, 293,410.08 and 117,128.16

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Solution

The fourth proportional to 212,623.92, 293,410.08 and 117,128.16 is: 161,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,623.92 : 293,410.08 = 117,128.16 : x
  2. Step 2: Convert to fraction form
    212,623.92/293,410.08 = 117,128.16/x
  3. Step 3: Cross multiply
    212,623.92x = 293,410.08 × 117,128.16
  4. Step 4: Simplify right side
    212,623.92x = 34,366,582,795.85
  5. Step 5: Solve for x
    x = 34,366,582,795.85/212,623.92
  6. Step 6: Final answer
    x = 161,630.84

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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.