Home / 162,131.76-223,740.36-90,507.24

Finding the Fourth Proportional to 162,131.76, 223,740.36 and 90,507.24

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Solution

The fourth proportional to 162,131.76, 223,740.36 and 90,507.24 is: 124,899.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,131.76 : 223,740.36 = 90,507.24 : x
  2. Step 2: Convert to fraction form
    162,131.76/223,740.36 = 90,507.24/x
  3. Step 3: Cross multiply
    162,131.76x = 223,740.36 × 90,507.24
  4. Step 4: Simplify right side
    162,131.76x = 20,250,122,460.21
  5. Step 5: Solve for x
    x = 20,250,122,460.21/162,131.76
  6. Step 6: Final answer
    x = 124,899.17

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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.