Home / 145,945.04-201,423.12-82,302.80

Finding the Fourth Proportional to 145,945.04, 201,423.12 and 82,302.80

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Solution

The fourth proportional to 145,945.04, 201,423.12 and 82,302.80 is: 113,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.04 : 201,423.12 = 82,302.80 : x
  2. Step 2: Convert to fraction form
    145,945.04/201,423.12 = 82,302.80/x
  3. Step 3: Cross multiply
    145,945.04x = 201,423.12 × 82,302.80
  4. Step 4: Simplify right side
    145,945.04x = 16,577,686,760.74
  5. Step 5: Solve for x
    x = 16,577,686,760.74/145,945.04
  6. Step 6: Final answer
    x = 113,588.56

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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.