Home / 212,186.88-292,806.36-116,678.16

Finding the Fourth Proportional to 212,186.88, 292,806.36 and 116,678.16

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Solution

The fourth proportional to 212,186.88, 292,806.36 and 116,678.16 is: 161,009.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,186.88 : 292,806.36 = 116,678.16 : x
  2. Step 2: Convert to fraction form
    212,186.88/292,806.36 = 116,678.16/x
  3. Step 3: Cross multiply
    212,186.88x = 292,806.36 × 116,678.16
  4. Step 4: Simplify right side
    212,186.88x = 34,164,107,321.10
  5. Step 5: Solve for x
    x = 34,164,107,321.10/212,186.88
  6. Step 6: Final answer
    x = 161,009.52

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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.