Home / 152,982.49-211,111.08-84,071.79

Finding the Fourth Proportional to 152,982.49, 211,111.08 and 84,071.79

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Solution

The fourth proportional to 152,982.49, 211,111.08 and 84,071.79 is: 116,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,982.49 : 211,111.08 = 84,071.79 : x
  2. Step 2: Convert to fraction form
    152,982.49/211,111.08 = 84,071.79/x
  3. Step 3: Cross multiply
    152,982.49x = 211,111.08 × 84,071.79
  4. Step 4: Simplify right side
    152,982.49x = 17,748,486,702.03
  5. Step 5: Solve for x
    x = 17,748,486,702.03/152,982.49
  6. Step 6: Final answer
    x = 116,016.46

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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.