Home / 94,611.03-128,814.23-94,315.79

Finding the Fourth Proportional to 94,611.03, 128,814.23 and 94,315.79

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Solution

The fourth proportional to 94,611.03, 128,814.23 and 94,315.79 is: 128,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,611.03 : 128,814.23 = 94,315.79 : x
  2. Step 2: Convert to fraction form
    94,611.03/128,814.23 = 94,315.79/x
  3. Step 3: Cross multiply
    94,611.03x = 128,814.23 × 94,315.79
  4. Step 4: Simplify right side
    94,611.03x = 12,149,214,750.04
  5. Step 5: Solve for x
    x = 12,149,214,750.04/94,611.03
  6. Step 6: Final answer
    x = 128,412.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.