Home / 211,636.55-292,039.14-125,580.70

Finding the Fourth Proportional to 211,636.55, 292,039.14 and 125,580.70

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Solution

The fourth proportional to 211,636.55, 292,039.14 and 125,580.70 is: 173,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,636.55 : 292,039.14 = 125,580.70 : x
  2. Step 2: Convert to fraction form
    211,636.55/292,039.14 = 125,580.70/x
  3. Step 3: Cross multiply
    211,636.55x = 292,039.14 × 125,580.70
  4. Step 4: Simplify right side
    211,636.55x = 36,674,478,115.46
  5. Step 5: Solve for x
    x = 36,674,478,115.46/211,636.55
  6. Step 6: Final answer
    x = 173,289.91

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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.