Home / 134,538.30-201,807.45-121,416.30

Finding the Fourth Proportional to 134,538.30, 201,807.45 and 121,416.30

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Solution

The fourth proportional to 134,538.30, 201,807.45 and 121,416.30 is: 182,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,538.30 : 201,807.45 = 121,416.30 : x
  2. Step 2: Convert to fraction form
    134,538.30/201,807.45 = 121,416.30/x
  3. Step 3: Cross multiply
    134,538.30x = 201,807.45 × 121,416.30
  4. Step 4: Simplify right side
    134,538.30x = 24,502,713,891.44
  5. Step 5: Solve for x
    x = 24,502,713,891.44/134,538.30
  6. Step 6: Final answer
    x = 182,124.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.