Home / 154,670.40-213,547.98-118,796.28

Finding the Fourth Proportional to 154,670.40, 213,547.98 and 118,796.28

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Solution

The fourth proportional to 154,670.40, 213,547.98 and 118,796.28 is: 164,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,670.40 : 213,547.98 = 118,796.28 : x
  2. Step 2: Convert to fraction form
    154,670.40/213,547.98 = 118,796.28/x
  3. Step 3: Cross multiply
    154,670.40x = 213,547.98 × 118,796.28
  4. Step 4: Simplify right side
    154,670.40x = 25,368,705,625.51
  5. Step 5: Solve for x
    x = 25,368,705,625.51/154,670.40
  6. Step 6: Final answer
    x = 164,017.84

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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.