Home / 159,073.80-219,521.98-87,455.04

Finding the Fourth Proportional to 159,073.80, 219,521.98 and 87,455.04

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Solution

The fourth proportional to 159,073.80, 219,521.98 and 87,455.04 is: 120,688.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,073.80 : 219,521.98 = 87,455.04 : x
  2. Step 2: Convert to fraction form
    159,073.80/219,521.98 = 87,455.04/x
  3. Step 3: Cross multiply
    159,073.80x = 219,521.98 × 87,455.04
  4. Step 4: Simplify right side
    159,073.80x = 19,198,303,541.78
  5. Step 5: Solve for x
    x = 19,198,303,541.78/159,073.80
  6. Step 6: Final answer
    x = 120,688.03

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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.