Home / 134,499.04-201,781-40,999.12

Finding the Fourth Proportional to 134,499.04, 201,781 and 40,999.12

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Solution

The fourth proportional to 134,499.04, 201,781 and 40,999.12 is: 61,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,499.04 : 201,781 = 40,999.12 : x
  2. Step 2: Convert to fraction form
    134,499.04/201,781 = 40,999.12/x
  3. Step 3: Cross multiply
    134,499.04x = 201,781 × 40,999.12
  4. Step 4: Simplify right side
    134,499.04x = 8,272,843,432.72
  5. Step 5: Solve for x
    x = 8,272,843,432.72/134,499.04
  6. Step 6: Final answer
    x = 61,508.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.