Home / 145,960.38-201,427.56-85,516.56

Finding the Fourth Proportional to 145,960.38, 201,427.56 and 85,516.56

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Solution

The fourth proportional to 145,960.38, 201,427.56 and 85,516.56 is: 118,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,960.38 : 201,427.56 = 85,516.56 : x
  2. Step 2: Convert to fraction form
    145,960.38/201,427.56 = 85,516.56/x
  3. Step 3: Cross multiply
    145,960.38x = 201,427.56 × 85,516.56
  4. Step 4: Simplify right side
    145,960.38x = 17,225,392,020.39
  5. Step 5: Solve for x
    x = 17,225,392,020.39/145,960.38
  6. Step 6: Final answer
    x = 118,014.16

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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.