Home / 211,024.47-291,233.57-126,139.71

Finding the Fourth Proportional to 211,024.47, 291,233.57 and 126,139.71

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Solution

The fourth proportional to 211,024.47, 291,233.57 and 126,139.71 is: 174,084.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,024.47 : 291,233.57 = 126,139.71 : x
  2. Step 2: Convert to fraction form
    211,024.47/291,233.57 = 126,139.71/x
  3. Step 3: Cross multiply
    211,024.47x = 291,233.57 × 126,139.71
  4. Step 4: Simplify right side
    211,024.47x = 36,736,117,431.37
  5. Step 5: Solve for x
    x = 36,736,117,431.37/211,024.47
  6. Step 6: Final answer
    x = 174,084.63

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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.