Home / 154,671.40-213,549.36-118,797.28

Finding the Fourth Proportional to 154,671.40, 213,549.36 and 118,797.28

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Solution

The fourth proportional to 154,671.40, 213,549.36 and 118,797.28 is: 164,019.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,671.40 : 213,549.36 = 118,797.28 : x
  2. Step 2: Convert to fraction form
    154,671.40/213,549.36 = 118,797.28/x
  3. Step 3: Cross multiply
    154,671.40x = 213,549.36 × 118,797.28
  4. Step 4: Simplify right side
    154,671.40x = 25,369,083,113.74
  5. Step 5: Solve for x
    x = 25,369,083,113.74/154,671.40
  6. Step 6: Final answer
    x = 164,019.22

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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.