Home / 211,538.72-291,921.80-116,044.76

Finding the Fourth Proportional to 211,538.72, 291,921.80 and 116,044.76

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Solution

The fourth proportional to 211,538.72, 291,921.80 and 116,044.76 is: 160,140.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,538.72 : 291,921.80 = 116,044.76 : x
  2. Step 2: Convert to fraction form
    211,538.72/291,921.80 = 116,044.76/x
  3. Step 3: Cross multiply
    211,538.72x = 291,921.80 × 116,044.76
  4. Step 4: Simplify right side
    211,538.72x = 33,875,995,219.77
  5. Step 5: Solve for x
    x = 33,875,995,219.77/211,538.72
  6. Step 6: Final answer
    x = 160,140.87

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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.