Home / 113,899.80-170,849.70-66,466.20

Finding the Fourth Proportional to 113,899.80, 170,849.70 and 66,466.20

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Solution

The fourth proportional to 113,899.80, 170,849.70 and 66,466.20 is: 99,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,899.80 : 170,849.70 = 66,466.20 : x
  2. Step 2: Convert to fraction form
    113,899.80/170,849.70 = 66,466.20/x
  3. Step 3: Cross multiply
    113,899.80x = 170,849.70 × 66,466.20
  4. Step 4: Simplify right side
    113,899.80x = 11,355,730,330.14
  5. Step 5: Solve for x
    x = 11,355,730,330.14/113,899.80
  6. Step 6: Final answer
    x = 99,699.30

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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.