Home / 162,689.28-223,833.60-143,485.44

Finding the Fourth Proportional to 162,689.28, 223,833.60 and 143,485.44

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Solution

The fourth proportional to 162,689.28, 223,833.60 and 143,485.44 is: 197,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,689.28 : 223,833.60 = 143,485.44 : x
  2. Step 2: Convert to fraction form
    162,689.28/223,833.60 = 143,485.44/x
  3. Step 3: Cross multiply
    162,689.28x = 223,833.60 × 143,485.44
  4. Step 4: Simplify right side
    162,689.28x = 32,116,862,582.78
  5. Step 5: Solve for x
    x = 32,116,862,582.78/162,689.28
  6. Step 6: Final answer
    x = 197,412.29

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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.