Home / 162,623.25-224,409.21-90,021.21

Finding the Fourth Proportional to 162,623.25, 224,409.21 and 90,021.21

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Solution

The fourth proportional to 162,623.25, 224,409.21 and 90,021.21 is: 124,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,623.25 : 224,409.21 = 90,021.21 : x
  2. Step 2: Convert to fraction form
    162,623.25/224,409.21 = 90,021.21/x
  3. Step 3: Cross multiply
    162,623.25x = 224,409.21 × 90,021.21
  4. Step 4: Simplify right side
    162,623.25x = 20,201,588,619.34
  5. Step 5: Solve for x
    x = 20,201,588,619.34/162,623.25
  6. Step 6: Final answer
    x = 124,223.25

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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.