Home / 152,821.59-210,919.02-84,860.37

Finding the Fourth Proportional to 152,821.59, 210,919.02 and 84,860.37

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Solution

The fourth proportional to 152,821.59, 210,919.02 and 84,860.37 is: 117,121.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,821.59 : 210,919.02 = 84,860.37 : x
  2. Step 2: Convert to fraction form
    152,821.59/210,919.02 = 84,860.37/x
  3. Step 3: Cross multiply
    152,821.59x = 210,919.02 × 84,860.37
  4. Step 4: Simplify right side
    152,821.59x = 17,898,666,077.24
  5. Step 5: Solve for x
    x = 17,898,666,077.24/152,821.59
  6. Step 6: Final answer
    x = 117,121.32

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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.