Home / 114,308.31-171,459.23-39,427.05

Finding the Fourth Proportional to 114,308.31, 171,459.23 and 39,427.05

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Solution

The fourth proportional to 114,308.31, 171,459.23 and 39,427.05 is: 59,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,308.31 : 171,459.23 = 39,427.05 : x
  2. Step 2: Convert to fraction form
    114,308.31/171,459.23 = 39,427.05/x
  3. Step 3: Cross multiply
    114,308.31x = 171,459.23 × 39,427.05
  4. Step 4: Simplify right side
    114,308.31x = 6,760,131,437.04
  5. Step 5: Solve for x
    x = 6,760,131,437.04/114,308.31
  6. Step 6: Final answer
    x = 59,139.46

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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.