Home / 145,962.70-201,520.46-111,908.04

Finding the Fourth Proportional to 145,962.70, 201,520.46 and 111,908.04

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Solution

The fourth proportional to 145,962.70, 201,520.46 and 111,908.04 is: 154,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,962.70 : 201,520.46 = 111,908.04 : x
  2. Step 2: Convert to fraction form
    145,962.70/201,520.46 = 111,908.04/x
  3. Step 3: Cross multiply
    145,962.70x = 201,520.46 × 111,908.04
  4. Step 4: Simplify right side
    145,962.70x = 22,551,759,698.50
  5. Step 5: Solve for x
    x = 22,551,759,698.50/145,962.70
  6. Step 6: Final answer
    x = 154,503.58

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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.