Home / 145,921.35-201,368.76-82,259.19

Finding the Fourth Proportional to 145,921.35, 201,368.76 and 82,259.19

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Solution

The fourth proportional to 145,921.35, 201,368.76 and 82,259.19 is: 113,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,921.35 : 201,368.76 = 82,259.19 : x
  2. Step 2: Convert to fraction form
    145,921.35/201,368.76 = 82,259.19/x
  3. Step 3: Cross multiply
    145,921.35x = 201,368.76 × 82,259.19
  4. Step 4: Simplify right side
    145,921.35x = 16,564,431,088.90
  5. Step 5: Solve for x
    x = 16,564,431,088.90/145,921.35
  6. Step 6: Final answer
    x = 113,516.16

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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.