Home / 91,310.58-126,169.56-70,271.64

Finding the Fourth Proportional to 91,310.58, 126,169.56 and 70,271.64

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Solution

The fourth proportional to 91,310.58, 126,169.56 and 70,271.64 is: 97,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310.58 : 126,169.56 = 70,271.64 : x
  2. Step 2: Convert to fraction form
    91,310.58/126,169.56 = 70,271.64/x
  3. Step 3: Cross multiply
    91,310.58x = 126,169.56 × 70,271.64
  4. Step 4: Simplify right side
    91,310.58x = 8,866,141,899.28
  5. Step 5: Solve for x
    x = 8,866,141,899.28/91,310.58
  6. Step 6: Final answer
    x = 97,098.74

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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.