Home / 145,682.04-201,045-82,022.16

Finding the Fourth Proportional to 145,682.04, 201,045 and 82,022.16

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Solution

The fourth proportional to 145,682.04, 201,045 and 82,022.16 is: 113,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,682.04 : 201,045 = 82,022.16 : x
  2. Step 2: Convert to fraction form
    145,682.04/201,045 = 82,022.16/x
  3. Step 3: Cross multiply
    145,682.04x = 201,045 × 82,022.16
  4. Step 4: Simplify right side
    145,682.04x = 16,490,145,157.20
  5. Step 5: Solve for x
    x = 16,490,145,157.20/145,682.04
  6. Step 6: Final answer
    x = 113,192.71

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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.