Home / 133,075.10-199,612.65-122,188.70

Finding the Fourth Proportional to 133,075.10, 199,612.65 and 122,188.70

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Solution

The fourth proportional to 133,075.10, 199,612.65 and 122,188.70 is: 183,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.10 : 199,612.65 = 122,188.70 : x
  2. Step 2: Convert to fraction form
    133,075.10/199,612.65 = 122,188.70/x
  3. Step 3: Cross multiply
    133,075.10x = 199,612.65 × 122,188.70
  4. Step 4: Simplify right side
    133,075.10x = 24,390,410,207.06
  5. Step 5: Solve for x
    x = 24,390,410,207.06/133,075.10
  6. Step 6: Final answer
    x = 183,283.05

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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.