Home / 237,939.63-328,243.53-142,427.88

Finding the Fourth Proportional to 237,939.63, 328,243.53 and 142,427.88

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Solution

The fourth proportional to 237,939.63, 328,243.53 and 142,427.88 is: 196,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,939.63 : 328,243.53 = 142,427.88 : x
  2. Step 2: Convert to fraction form
    237,939.63/328,243.53 = 142,427.88/x
  3. Step 3: Cross multiply
    237,939.63x = 328,243.53 × 142,427.88
  4. Step 4: Simplify right side
    237,939.63x = 46,751,030,101.62
  5. Step 5: Solve for x
    x = 46,751,030,101.62/237,939.63
  6. Step 6: Final answer
    x = 196,482.74

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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.