Home / 152,826.75-210,901.32-85,758.75

Finding the Fourth Proportional to 152,826.75, 210,901.32 and 85,758.75

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Solution

The fourth proportional to 152,826.75, 210,901.32 and 85,758.75 is: 118,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,826.75 : 210,901.32 = 85,758.75 : x
  2. Step 2: Convert to fraction form
    152,826.75/210,901.32 = 85,758.75/x
  3. Step 3: Cross multiply
    152,826.75x = 210,901.32 × 85,758.75
  4. Step 4: Simplify right side
    152,826.75x = 18,086,633,576.55
  5. Step 5: Solve for x
    x = 18,086,633,576.55/152,826.75
  6. Step 6: Final answer
    x = 118,347.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.