Home / 145,977.76-201,456.21-82,314.19

Finding the Fourth Proportional to 145,977.76, 201,456.21 and 82,314.19

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Solution

The fourth proportional to 145,977.76, 201,456.21 and 82,314.19 is: 113,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,977.76 : 201,456.21 = 82,314.19 : x
  2. Step 2: Convert to fraction form
    145,977.76/201,456.21 = 82,314.19/x
  3. Step 3: Cross multiply
    145,977.76x = 201,456.21 × 82,314.19
  4. Step 4: Simplify right side
    145,977.76x = 16,582,705,307.12
  5. Step 5: Solve for x
    x = 16,582,705,307.12/145,977.76
  6. Step 6: Final answer
    x = 113,597.48

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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.