Home / 91,065.60-136,598.40-28,736.10

Finding the Fourth Proportional to 91,065.60, 136,598.40 and 28,736.10

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Solution

The fourth proportional to 91,065.60, 136,598.40 and 28,736.10 is: 43,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.60 : 136,598.40 = 28,736.10 : x
  2. Step 2: Convert to fraction form
    91,065.60/136,598.40 = 28,736.10/x
  3. Step 3: Cross multiply
    91,065.60x = 136,598.40 × 28,736.10
  4. Step 4: Simplify right side
    91,065.60x = 3,925,305,282.24
  5. Step 5: Solve for x
    x = 3,925,305,282.24/91,065.60
  6. Step 6: Final answer
    x = 43,104.15

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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.