Home / 213,758.72-294,785.28-159,430.96

Finding the Fourth Proportional to 213,758.72, 294,785.28 and 159,430.96

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Solution

The fourth proportional to 213,758.72, 294,785.28 and 159,430.96 is: 219,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,758.72 : 294,785.28 = 159,430.96 : x
  2. Step 2: Convert to fraction form
    213,758.72/294,785.28 = 159,430.96/x
  3. Step 3: Cross multiply
    213,758.72x = 294,785.28 × 159,430.96
  4. Step 4: Simplify right side
    213,758.72x = 46,997,900,184.27
  5. Step 5: Solve for x
    x = 46,997,900,184.27/213,758.72
  6. Step 6: Final answer
    x = 219,864.25

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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.