Home / 154,360.74-213,029.26-86,384.52

Finding the Fourth Proportional to 154,360.74, 213,029.26 and 86,384.52

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Solution

The fourth proportional to 154,360.74, 213,029.26 and 86,384.52 is: 119,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,360.74 : 213,029.26 = 86,384.52 : x
  2. Step 2: Convert to fraction form
    154,360.74/213,029.26 = 86,384.52/x
  3. Step 3: Cross multiply
    154,360.74x = 213,029.26 × 86,384.52
  4. Step 4: Simplify right side
    154,360.74x = 18,402,430,371.06
  5. Step 5: Solve for x
    x = 18,402,430,371.06/154,360.74
  6. Step 6: Final answer
    x = 119,217.04

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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.