Home / 157,219.80-235,829.70-109,980.60

Finding the Fourth Proportional to 157,219.80, 235,829.70 and 109,980.60

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Solution

The fourth proportional to 157,219.80, 235,829.70 and 109,980.60 is: 164,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219.80 : 235,829.70 = 109,980.60 : x
  2. Step 2: Convert to fraction form
    157,219.80/235,829.70 = 109,980.60/x
  3. Step 3: Cross multiply
    157,219.80x = 235,829.70 × 109,980.60
  4. Step 4: Simplify right side
    157,219.80x = 25,936,691,903.82
  5. Step 5: Solve for x
    x = 25,936,691,903.82/157,219.80
  6. Step 6: Final answer
    x = 164,970.90

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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.