Home / 211,784.19-292,271.72-126,899.43

Finding the Fourth Proportional to 211,784.19, 292,271.72 and 126,899.43

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Solution

The fourth proportional to 211,784.19, 292,271.72 and 126,899.43 is: 175,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,784.19 : 292,271.72 = 126,899.43 : x
  2. Step 2: Convert to fraction form
    211,784.19/292,271.72 = 126,899.43/x
  3. Step 3: Cross multiply
    211,784.19x = 292,271.72 × 126,899.43
  4. Step 4: Simplify right side
    211,784.19x = 37,089,114,038.62
  5. Step 5: Solve for x
    x = 37,089,114,038.62/211,784.19
  6. Step 6: Final answer
    x = 175,126.93

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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.