Home / 127,237.10-190,928.55-48,407.90

Finding the Fourth Proportional to 127,237.10, 190,928.55 and 48,407.90

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Solution

The fourth proportional to 127,237.10, 190,928.55 and 48,407.90 is: 72,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,237.10 : 190,928.55 = 48,407.90 : x
  2. Step 2: Convert to fraction form
    127,237.10/190,928.55 = 48,407.90/x
  3. Step 3: Cross multiply
    127,237.10x = 190,928.55 × 48,407.90
  4. Step 4: Simplify right side
    127,237.10x = 9,242,450,155.55
  5. Step 5: Solve for x
    x = 9,242,450,155.55/127,237.10
  6. Step 6: Final answer
    x = 72,639.59

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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.