Home / 145,427.04-200,621.96-85,000.24

Finding the Fourth Proportional to 145,427.04, 200,621.96 and 85,000.24

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Solution

The fourth proportional to 145,427.04, 200,621.96 and 85,000.24 is: 117,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,427.04 : 200,621.96 = 85,000.24 : x
  2. Step 2: Convert to fraction form
    145,427.04/200,621.96 = 85,000.24/x
  3. Step 3: Cross multiply
    145,427.04x = 200,621.96 × 85,000.24
  4. Step 4: Simplify right side
    145,427.04x = 17,052,914,749.27
  5. Step 5: Solve for x
    x = 17,052,914,749.27/145,427.04
  6. Step 6: Final answer
    x = 117,260.96

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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.