Home / 127,047.18-190,522.36-42,784.74

Finding the Fourth Proportional to 127,047.18, 190,522.36 and 42,784.74

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Solution

The fourth proportional to 127,047.18, 190,522.36 and 42,784.74 is: 64,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,047.18 : 190,522.36 = 42,784.74 : x
  2. Step 2: Convert to fraction form
    127,047.18/190,522.36 = 42,784.74/x
  3. Step 3: Cross multiply
    127,047.18x = 190,522.36 × 42,784.74
  4. Step 4: Simplify right side
    127,047.18x = 8,151,449,690.27
  5. Step 5: Solve for x
    x = 8,151,449,690.27/127,047.18
  6. Step 6: Final answer
    x = 64,160.81

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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.