Home / 213,136.55-294,128.46-117,643.27

Finding the Fourth Proportional to 213,136.55, 294,128.46 and 117,643.27

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Solution

The fourth proportional to 213,136.55, 294,128.46 and 117,643.27 is: 162,347.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,136.55 : 294,128.46 = 117,643.27 : x
  2. Step 2: Convert to fraction form
    213,136.55/294,128.46 = 117,643.27/x
  3. Step 3: Cross multiply
    213,136.55x = 294,128.46 × 117,643.27
  4. Step 4: Simplify right side
    213,136.55x = 34,602,233,834.46
  5. Step 5: Solve for x
    x = 34,602,233,834.46/213,136.55
  6. Step 6: Final answer
    x = 162,347.72

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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.