Home / 91,968.96-137,880.12-84,588.24

Finding the Fourth Proportional to 91,968.96, 137,880.12 and 84,588.24

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Solution

The fourth proportional to 91,968.96, 137,880.12 and 84,588.24 is: 126,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,968.96 : 137,880.12 = 84,588.24 : x
  2. Step 2: Convert to fraction form
    91,968.96/137,880.12 = 84,588.24/x
  3. Step 3: Cross multiply
    91,968.96x = 137,880.12 × 84,588.24
  4. Step 4: Simplify right side
    91,968.96x = 11,663,036,681.79
  5. Step 5: Solve for x
    x = 11,663,036,681.79/91,968.96
  6. Step 6: Final answer
    x = 126,814.92

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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.