Home / 145,663.41-201,034.67-82,013.61

Finding the Fourth Proportional to 145,663.41, 201,034.67 and 82,013.61

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Solution

The fourth proportional to 145,663.41, 201,034.67 and 82,013.61 is: 113,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,663.41 : 201,034.67 = 82,013.61 : x
  2. Step 2: Convert to fraction form
    145,663.41/201,034.67 = 82,013.61/x
  3. Step 3: Cross multiply
    145,663.41x = 201,034.67 × 82,013.61
  4. Step 4: Simplify right side
    145,663.41x = 16,487,579,021.86
  5. Step 5: Solve for x
    x = 16,487,579,021.86/145,663.41
  6. Step 6: Final answer
    x = 113,189.57

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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.