Home / 154,852.02-213,554.07-101,117.43

Finding the Fourth Proportional to 154,852.02, 213,554.07 and 101,117.43

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Solution

The fourth proportional to 154,852.02, 213,554.07 and 101,117.43 is: 139,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,852.02 : 213,554.07 = 101,117.43 : x
  2. Step 2: Convert to fraction form
    154,852.02/213,554.07 = 101,117.43/x
  3. Step 3: Cross multiply
    154,852.02x = 213,554.07 × 101,117.43
  4. Step 4: Simplify right side
    154,852.02x = 21,594,038,724.44
  5. Step 5: Solve for x
    x = 21,594,038,724.44/154,852.02
  6. Step 6: Final answer
    x = 139,449.51

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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.