Home / 211,665.47-292,098.35-126,831.65

Finding the Fourth Proportional to 211,665.47, 292,098.35 and 126,831.65

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Solution

The fourth proportional to 211,665.47, 292,098.35 and 126,831.65 is: 175,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,665.47 : 292,098.35 = 126,831.65 : x
  2. Step 2: Convert to fraction form
    211,665.47/292,098.35 = 126,831.65/x
  3. Step 3: Cross multiply
    211,665.47x = 292,098.35 × 126,831.65
  4. Step 4: Simplify right side
    211,665.47x = 37,047,314,549.36
  5. Step 5: Solve for x
    x = 37,047,314,549.36/211,665.47
  6. Step 6: Final answer
    x = 175,027.68

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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.