Home / 152,508.08-210,468.90-87,953.31

Finding the Fourth Proportional to 152,508.08, 210,468.90 and 87,953.31

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Solution

The fourth proportional to 152,508.08, 210,468.90 and 87,953.31 is: 121,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,508.08 : 210,468.90 = 87,953.31 : x
  2. Step 2: Convert to fraction form
    152,508.08/210,468.90 = 87,953.31/x
  3. Step 3: Cross multiply
    152,508.08x = 210,468.90 × 87,953.31
  4. Step 4: Simplify right side
    152,508.08x = 18,511,436,407.06
  5. Step 5: Solve for x
    x = 18,511,436,407.06/152,508.08
  6. Step 6: Final answer
    x = 121,380.04

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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.