Home / 162,313.51-223,992.17-90,693.59

Finding the Fourth Proportional to 162,313.51, 223,992.17 and 90,693.59

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Solution

The fourth proportional to 162,313.51, 223,992.17 and 90,693.59 is: 125,156.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,313.51 : 223,992.17 = 90,693.59 : x
  2. Step 2: Convert to fraction form
    162,313.51/223,992.17 = 90,693.59/x
  3. Step 3: Cross multiply
    162,313.51x = 223,992.17 × 90,693.59
  4. Step 4: Simplify right side
    162,313.51x = 20,314,654,029.19
  5. Step 5: Solve for x
    x = 20,314,654,029.19/162,313.51
  6. Step 6: Final answer
    x = 125,156.89

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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.