Home / 145,804.28-201,207.66-82,148.12

Finding the Fourth Proportional to 145,804.28, 201,207.66 and 82,148.12

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Solution

The fourth proportional to 145,804.28, 201,207.66 and 82,148.12 is: 113,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,804.28 : 201,207.66 = 82,148.12 : x
  2. Step 2: Convert to fraction form
    145,804.28/201,207.66 = 82,148.12/x
  3. Step 3: Cross multiply
    145,804.28x = 201,207.66 × 82,148.12
  4. Step 4: Simplify right side
    145,804.28x = 16,528,830,998.60
  5. Step 5: Solve for x
    x = 16,528,830,998.60/145,804.28
  6. Step 6: Final answer
    x = 113,363.14

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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.