Home / 211,337.25-291,675.24-130,790.72

Finding the Fourth Proportional to 211,337.25, 291,675.24 and 130,790.72

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Solution

The fourth proportional to 211,337.25, 291,675.24 and 130,790.72 is: 180,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,337.25 : 291,675.24 = 130,790.72 : x
  2. Step 2: Convert to fraction form
    211,337.25/291,675.24 = 130,790.72/x
  3. Step 3: Cross multiply
    211,337.25x = 291,675.24 × 130,790.72
  4. Step 4: Simplify right side
    211,337.25x = 38,148,414,645.77
  5. Step 5: Solve for x
    x = 38,148,414,645.77/211,337.25
  6. Step 6: Final answer
    x = 180,509.66

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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.