Home / 152,518.36-210,487.94-84,556.65

Finding the Fourth Proportional to 152,518.36, 210,487.94 and 84,556.65

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Solution

The fourth proportional to 152,518.36, 210,487.94 and 84,556.65 is: 116,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,518.36 : 210,487.94 = 84,556.65 : x
  2. Step 2: Convert to fraction form
    152,518.36/210,487.94 = 84,556.65/x
  3. Step 3: Cross multiply
    152,518.36x = 210,487.94 × 84,556.65
  4. Step 4: Simplify right side
    152,518.36x = 17,798,155,071.80
  5. Step 5: Solve for x
    x = 17,798,155,071.80/152,518.36
  6. Step 6: Final answer
    x = 116,695.16

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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.