Home / 106,666.37-160,008.72-27,780.47

Finding the Fourth Proportional to 106,666.37, 160,008.72 and 27,780.47

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Solution

The fourth proportional to 106,666.37, 160,008.72 and 27,780.47 is: 41,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,666.37 : 160,008.72 = 27,780.47 : x
  2. Step 2: Convert to fraction form
    106,666.37/160,008.72 = 27,780.47/x
  3. Step 3: Cross multiply
    106,666.37x = 160,008.72 × 27,780.47
  4. Step 4: Simplify right side
    106,666.37x = 4,445,117,141.51
  5. Step 5: Solve for x
    x = 4,445,117,141.51/106,666.37
  6. Step 6: Final answer
    x = 41,673.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.