Home / 153,427.88-212,005.07-119,523.91

Finding the Fourth Proportional to 153,427.88, 212,005.07 and 119,523.91

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Solution

The fourth proportional to 153,427.88, 212,005.07 and 119,523.91 is: 165,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,427.88 : 212,005.07 = 119,523.91 : x
  2. Step 2: Convert to fraction form
    153,427.88/212,005.07 = 119,523.91/x
  3. Step 3: Cross multiply
    153,427.88x = 212,005.07 × 119,523.91
  4. Step 4: Simplify right side
    153,427.88x = 25,339,674,906.22
  5. Step 5: Solve for x
    x = 25,339,674,906.22/153,427.88
  6. Step 6: Final answer
    x = 165,156.91

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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.