Home / 154,565.79-213,303.00-90,033.37

Finding the Fourth Proportional to 154,565.79, 213,303.00 and 90,033.37

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Solution

The fourth proportional to 154,565.79, 213,303.00 and 90,033.37 is: 124,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,565.79 : 213,303.00 = 90,033.37 : x
  2. Step 2: Convert to fraction form
    154,565.79/213,303.00 = 90,033.37/x
  3. Step 3: Cross multiply
    154,565.79x = 213,303.00 × 90,033.37
  4. Step 4: Simplify right side
    154,565.79x = 19,204,388,925.31
  5. Step 5: Solve for x
    x = 19,204,388,925.31/154,565.79
  6. Step 6: Final answer
    x = 124,247.35

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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.