Home / 152,743.80-210,799.65-84,774.06

Finding the Fourth Proportional to 152,743.80, 210,799.65 and 84,774.06

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Solution

The fourth proportional to 152,743.80, 210,799.65 and 84,774.06 is: 116,995.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,743.80 : 210,799.65 = 84,774.06 : x
  2. Step 2: Convert to fraction form
    152,743.80/210,799.65 = 84,774.06/x
  3. Step 3: Cross multiply
    152,743.80x = 210,799.65 × 84,774.06
  4. Step 4: Simplify right side
    152,743.80x = 17,870,342,177.08
  5. Step 5: Solve for x
    x = 17,870,342,177.08/152,743.80
  6. Step 6: Final answer
    x = 116,995.53

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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.