Home / 145,756.56-201,194.37-85,346.64

Finding the Fourth Proportional to 145,756.56, 201,194.37 and 85,346.64

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Solution

The fourth proportional to 145,756.56, 201,194.37 and 85,346.64 is: 117,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,756.56 : 201,194.37 = 85,346.64 : x
  2. Step 2: Convert to fraction form
    145,756.56/201,194.37 = 85,346.64/x
  3. Step 3: Cross multiply
    145,756.56x = 201,194.37 × 85,346.64
  4. Step 4: Simplify right side
    145,756.56x = 17,171,263,466.42
  5. Step 5: Solve for x
    x = 17,171,263,466.42/145,756.56
  6. Step 6: Final answer
    x = 117,807.83

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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.