Home / 145,735.88-201,116.12-82,074.74

Finding the Fourth Proportional to 145,735.88, 201,116.12 and 82,074.74

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Solution

The fourth proportional to 145,735.88, 201,116.12 and 82,074.74 is: 113,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735.88 : 201,116.12 = 82,074.74 : x
  2. Step 2: Convert to fraction form
    145,735.88/201,116.12 = 82,074.74/x
  3. Step 3: Cross multiply
    145,735.88x = 201,116.12 × 82,074.74
  4. Step 4: Simplify right side
    145,735.88x = 16,506,551,842.85
  5. Step 5: Solve for x
    x = 16,506,551,842.85/145,735.88
  6. Step 6: Final answer
    x = 113,263.48

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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.