Home / 100,834.02-151,273.98-30,718.80

Finding the Fourth Proportional to 100,834.02, 151,273.98 and 30,718.80

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Solution

The fourth proportional to 100,834.02, 151,273.98 and 30,718.80 is: 46,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,834.02 : 151,273.98 = 30,718.80 : x
  2. Step 2: Convert to fraction form
    100,834.02/151,273.98 = 30,718.80/x
  3. Step 3: Cross multiply
    100,834.02x = 151,273.98 × 30,718.80
  4. Step 4: Simplify right side
    100,834.02x = 4,646,955,136.82
  5. Step 5: Solve for x
    x = 4,646,955,136.82/100,834.02
  6. Step 6: Final answer
    x = 46,085.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.