Home / 162,106.82-223,702.76-90,485.30

Finding the Fourth Proportional to 162,106.82, 223,702.76 and 90,485.30

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Solution

The fourth proportional to 162,106.82, 223,702.76 and 90,485.30 is: 124,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,106.82 : 223,702.76 = 90,485.30 : x
  2. Step 2: Convert to fraction form
    162,106.82/223,702.76 = 90,485.30/x
  3. Step 3: Cross multiply
    162,106.82x = 223,702.76 × 90,485.30
  4. Step 4: Simplify right side
    162,106.82x = 20,241,812,134.90
  5. Step 5: Solve for x
    x = 20,241,812,134.90/162,106.82
  6. Step 6: Final answer
    x = 124,867.12

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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.