Home / 105,044.70-157,543.02-30,164.25

Finding the Fourth Proportional to 105,044.70, 157,543.02 and 30,164.25

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Solution

The fourth proportional to 105,044.70, 157,543.02 and 30,164.25 is: 45,239.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.70 : 157,543.02 = 30,164.25 : x
  2. Step 2: Convert to fraction form
    105,044.70/157,543.02 = 30,164.25/x
  3. Step 3: Cross multiply
    105,044.70x = 157,543.02 × 30,164.25
  4. Step 4: Simplify right side
    105,044.70x = 4,752,167,041.04
  5. Step 5: Solve for x
    x = 4,752,167,041.04/105,044.70
  6. Step 6: Final answer
    x = 45,239.47

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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.