Home / 145,756.36-201,144.90-82,088.20

Finding the Fourth Proportional to 145,756.36, 201,144.90 and 82,088.20

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Solution

The fourth proportional to 145,756.36, 201,144.90 and 82,088.20 is: 113,282.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,756.36 : 201,144.90 = 82,088.20 : x
  2. Step 2: Convert to fraction form
    145,756.36/201,144.90 = 82,088.20/x
  3. Step 3: Cross multiply
    145,756.36x = 201,144.90 × 82,088.20
  4. Step 4: Simplify right side
    145,756.36x = 16,511,622,780.18
  5. Step 5: Solve for x
    x = 16,511,622,780.18/145,756.36
  6. Step 6: Final answer
    x = 113,282.35

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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.