Home / 134,118.54-201,070.89-86,782.14

Finding the Fourth Proportional to 134,118.54, 201,070.89 and 86,782.14

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Solution

The fourth proportional to 134,118.54, 201,070.89 and 86,782.14 is: 130,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,118.54 : 201,070.89 = 86,782.14 : x
  2. Step 2: Convert to fraction form
    134,118.54/201,070.89 = 86,782.14/x
  3. Step 3: Cross multiply
    134,118.54x = 201,070.89 × 86,782.14
  4. Step 4: Simplify right side
    134,118.54x = 17,449,362,125.90
  5. Step 5: Solve for x
    x = 17,449,362,125.90/134,118.54
  6. Step 6: Final answer
    x = 130,104.03

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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.