Home / 211,324.61-291,626.24-115,831.10

Finding the Fourth Proportional to 211,324.61, 291,626.24 and 115,831.10

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Solution

The fourth proportional to 211,324.61, 291,626.24 and 115,831.10 is: 159,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,324.61 : 291,626.24 = 115,831.10 : x
  2. Step 2: Convert to fraction form
    211,324.61/291,626.24 = 115,831.10/x
  3. Step 3: Cross multiply
    211,324.61x = 291,626.24 × 115,831.10
  4. Step 4: Simplify right side
    211,324.61x = 33,779,386,130.78
  5. Step 5: Solve for x
    x = 33,779,386,130.78/211,324.61
  6. Step 6: Final answer
    x = 159,845.97

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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.