Home / 91,387.02-136,987.06-35,205.12

Finding the Fourth Proportional to 91,387.02, 136,987.06 and 35,205.12

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Solution

The fourth proportional to 91,387.02, 136,987.06 and 35,205.12 is: 52,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,387.02 : 136,987.06 = 35,205.12 : x
  2. Step 2: Convert to fraction form
    91,387.02/136,987.06 = 35,205.12/x
  3. Step 3: Cross multiply
    91,387.02x = 136,987.06 × 35,205.12
  4. Step 4: Simplify right side
    91,387.02x = 4,822,645,885.75
  5. Step 5: Solve for x
    x = 4,822,645,885.75/91,387.02
  6. Step 6: Final answer
    x = 52,771.67

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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.