Home / 154,483.08-213,180.74-86,493.70

Finding the Fourth Proportional to 154,483.08, 213,180.74 and 86,493.70

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Solution

The fourth proportional to 154,483.08, 213,180.74 and 86,493.70 is: 119,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,483.08 : 213,180.74 = 86,493.70 : x
  2. Step 2: Convert to fraction form
    154,483.08/213,180.74 = 86,493.70/x
  3. Step 3: Cross multiply
    154,483.08x = 213,180.74 × 86,493.70
  4. Step 4: Simplify right side
    154,483.08x = 18,438,790,971.34
  5. Step 5: Solve for x
    x = 18,438,790,971.34/154,483.08
  6. Step 6: Final answer
    x = 119,358.00

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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.