Home / 190,026.26-285,080.02-70,083.52

Finding the Fourth Proportional to 190,026.26, 285,080.02 and 70,083.52

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Solution

The fourth proportional to 190,026.26, 285,080.02 and 70,083.52 is: 105,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,026.26 : 285,080.02 = 70,083.52 : x
  2. Step 2: Convert to fraction form
    190,026.26/285,080.02 = 70,083.52/x
  3. Step 3: Cross multiply
    190,026.26x = 285,080.02 × 70,083.52
  4. Step 4: Simplify right side
    190,026.26x = 19,979,411,283.27
  5. Step 5: Solve for x
    x = 19,979,411,283.27/190,026.26
  6. Step 6: Final answer
    x = 105,140.26

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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.