Home / 145,730.82-218,596.26-112,499.40

Finding the Fourth Proportional to 145,730.82, 218,596.26 and 112,499.40

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Solution

The fourth proportional to 145,730.82, 218,596.26 and 112,499.40 is: 168,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,730.82 : 218,596.26 = 112,499.40 : x
  2. Step 2: Convert to fraction form
    145,730.82/218,596.26 = 112,499.40/x
  3. Step 3: Cross multiply
    145,730.82x = 218,596.26 × 112,499.40
  4. Step 4: Simplify right side
    145,730.82x = 24,591,948,092.24
  5. Step 5: Solve for x
    x = 24,591,948,092.24/145,730.82
  6. Step 6: Final answer
    x = 168,749.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.