Home / 159,122.46-219,590.58-87,502.98

Finding the Fourth Proportional to 159,122.46, 219,590.58 and 87,502.98

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Solution

The fourth proportional to 159,122.46, 219,590.58 and 87,502.98 is: 120,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,122.46 : 219,590.58 = 87,502.98 : x
  2. Step 2: Convert to fraction form
    159,122.46/219,590.58 = 87,502.98/x
  3. Step 3: Cross multiply
    159,122.46x = 219,590.58 × 87,502.98
  4. Step 4: Simplify right side
    159,122.46x = 19,214,830,129.93
  5. Step 5: Solve for x
    x = 19,214,830,129.93/159,122.46
  6. Step 6: Final answer
    x = 120,754.98

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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.