Home / 197,237.40-295,856.10-138,188.40

Finding the Fourth Proportional to 197,237.40, 295,856.10 and 138,188.40

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Solution

The fourth proportional to 197,237.40, 295,856.10 and 138,188.40 is: 207,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,237.40 : 295,856.10 = 138,188.40 : x
  2. Step 2: Convert to fraction form
    197,237.40/295,856.10 = 138,188.40/x
  3. Step 3: Cross multiply
    197,237.40x = 295,856.10 × 138,188.40
  4. Step 4: Simplify right side
    197,237.40x = 40,883,881,089.24
  5. Step 5: Solve for x
    x = 40,883,881,089.24/197,237.40
  6. Step 6: Final answer
    x = 207,282.60

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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.