Home / 201,426.12-302,139.27-51,666.41

Finding the Fourth Proportional to 201,426.12, 302,139.27 and 51,666.41

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Solution

The fourth proportional to 201,426.12, 302,139.27 and 51,666.41 is: 77,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,426.12 : 302,139.27 = 51,666.41 : x
  2. Step 2: Convert to fraction form
    201,426.12/302,139.27 = 51,666.41/x
  3. Step 3: Cross multiply
    201,426.12x = 302,139.27 × 51,666.41
  4. Step 4: Simplify right side
    201,426.12x = 15,610,452,156.27
  5. Step 5: Solve for x
    x = 15,610,452,156.27/201,426.12
  6. Step 6: Final answer
    x = 77,499.64

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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.