Home / 113,817.88-157,003.14-66,065.08

Finding the Fourth Proportional to 113,817.88, 157,003.14 and 66,065.08

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Solution

The fourth proportional to 113,817.88, 157,003.14 and 66,065.08 is: 91,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,817.88 : 157,003.14 = 66,065.08 : x
  2. Step 2: Convert to fraction form
    113,817.88/157,003.14 = 66,065.08/x
  3. Step 3: Cross multiply
    113,817.88x = 157,003.14 × 66,065.08
  4. Step 4: Simplify right side
    113,817.88x = 10,372,425,004.35
  5. Step 5: Solve for x
    x = 10,372,425,004.35/113,817.88
  6. Step 6: Final answer
    x = 91,131.77

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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.