Home / 112,038.40-167,571.60-100,277.20

Finding the Fourth Proportional to 112,038.40, 167,571.60 and 100,277.20

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Solution

The fourth proportional to 112,038.40, 167,571.60 and 100,277.20 is: 149,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.40 : 167,571.60 = 100,277.20 : x
  2. Step 2: Convert to fraction form
    112,038.40/167,571.60 = 100,277.20/x
  3. Step 3: Cross multiply
    112,038.40x = 167,571.60 × 100,277.20
  4. Step 4: Simplify right side
    112,038.40x = 16,803,610,847.52
  5. Step 5: Solve for x
    x = 16,803,610,847.52/112,038.40
  6. Step 6: Final answer
    x = 149,980.82

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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.