Home / 145,520.24-200,814.96-85,126.64

Finding the Fourth Proportional to 145,520.24, 200,814.96 and 85,126.64

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Solution

The fourth proportional to 145,520.24, 200,814.96 and 85,126.64 is: 117,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,520.24 : 200,814.96 = 85,126.64 : x
  2. Step 2: Convert to fraction form
    145,520.24/200,814.96 = 85,126.64/x
  3. Step 3: Cross multiply
    145,520.24x = 200,814.96 × 85,126.64
  4. Step 4: Simplify right side
    145,520.24x = 17,094,702,806.53
  5. Step 5: Solve for x
    x = 17,094,702,806.53/145,520.24
  6. Step 6: Final answer
    x = 117,473.03

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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.