Home / 112,038.28-168,000.26-37,131.76

Finding the Fourth Proportional to 112,038.28, 168,000.26 and 37,131.76

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Solution

The fourth proportional to 112,038.28, 168,000.26 and 37,131.76 is: 55,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.28 : 168,000.26 = 37,131.76 : x
  2. Step 2: Convert to fraction form
    112,038.28/168,000.26 = 37,131.76/x
  3. Step 3: Cross multiply
    112,038.28x = 168,000.26 × 37,131.76
  4. Step 4: Simplify right side
    112,038.28x = 6,238,145,334.26
  5. Step 5: Solve for x
    x = 6,238,145,334.26/112,038.28
  6. Step 6: Final answer
    x = 55,678.70

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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.