Home / 159,056.12-219,497.70-87,436.59

Finding the Fourth Proportional to 159,056.12, 219,497.70 and 87,436.59

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Solution

The fourth proportional to 159,056.12, 219,497.70 and 87,436.59 is: 120,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,056.12 : 219,497.70 = 87,436.59 : x
  2. Step 2: Convert to fraction form
    159,056.12/219,497.70 = 87,436.59/x
  3. Step 3: Cross multiply
    159,056.12x = 219,497.70 × 87,436.59
  4. Step 4: Simplify right side
    159,056.12x = 19,192,130,400.84
  5. Step 5: Solve for x
    x = 19,192,130,400.84/159,056.12
  6. Step 6: Final answer
    x = 120,662.63

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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.