Home / 154,879.36-213,798.76-104,646.40

Finding the Fourth Proportional to 154,879.36, 213,798.76 and 104,646.40

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Solution

The fourth proportional to 154,879.36, 213,798.76 and 104,646.40 is: 144,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,879.36 : 213,798.76 = 104,646.40 : x
  2. Step 2: Convert to fraction form
    154,879.36/213,798.76 = 104,646.40/x
  3. Step 3: Cross multiply
    154,879.36x = 213,798.76 × 104,646.40
  4. Step 4: Simplify right side
    154,879.36x = 22,373,270,558.46
  5. Step 5: Solve for x
    x = 22,373,270,558.46/154,879.36
  6. Step 6: Final answer
    x = 144,456.11

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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.