Home / 213,133.76-294,127.02-117,640.53

Finding the Fourth Proportional to 213,133.76, 294,127.02 and 117,640.53

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Solution

The fourth proportional to 213,133.76, 294,127.02 and 117,640.53 is: 162,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,133.76 : 294,127.02 = 117,640.53 : x
  2. Step 2: Convert to fraction form
    213,133.76/294,127.02 = 117,640.53/x
  3. Step 3: Cross multiply
    213,133.76x = 294,127.02 × 117,640.53
  4. Step 4: Simplify right side
    213,133.76x = 34,601,258,520.12
  5. Step 5: Solve for x
    x = 34,601,258,520.12/213,133.76
  6. Step 6: Final answer
    x = 162,345.27

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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.