Home / 161,703.40-223,124.10-90,067.24

Finding the Fourth Proportional to 161,703.40, 223,124.10 and 90,067.24

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Solution

The fourth proportional to 161,703.40, 223,124.10 and 90,067.24 is: 124,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.40 : 223,124.10 = 90,067.24 : x
  2. Step 2: Convert to fraction form
    161,703.40/223,124.10 = 90,067.24/x
  3. Step 3: Cross multiply
    161,703.40x = 223,124.10 × 90,067.24
  4. Step 4: Simplify right side
    161,703.40x = 20,096,171,864.48
  5. Step 5: Solve for x
    x = 20,096,171,864.48/161,703.40
  6. Step 6: Final answer
    x = 124,277.98

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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.