Home / 152,629.03-210,614.15-84,645.80

Finding the Fourth Proportional to 152,629.03, 210,614.15 and 84,645.80

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Solution

The fourth proportional to 152,629.03, 210,614.15 and 84,645.80 is: 116,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,629.03 : 210,614.15 = 84,645.80 : x
  2. Step 2: Convert to fraction form
    152,629.03/210,614.15 = 84,645.80/x
  3. Step 3: Cross multiply
    152,629.03x = 210,614.15 × 84,645.80
  4. Step 4: Simplify right side
    152,629.03x = 17,827,601,741.77
  5. Step 5: Solve for x
    x = 17,827,601,741.77/152,629.03
  6. Step 6: Final answer
    x = 116,803.48

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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.