Home / 242,529.29-334,693.90-139,180.33

Finding the Fourth Proportional to 242,529.29, 334,693.90 and 139,180.33

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Solution

The fourth proportional to 242,529.29, 334,693.90 and 139,180.33 is: 192,070.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,529.29 : 334,693.90 = 139,180.33 : x
  2. Step 2: Convert to fraction form
    242,529.29/334,693.90 = 139,180.33/x
  3. Step 3: Cross multiply
    242,529.29x = 334,693.90 × 139,180.33
  4. Step 4: Simplify right side
    242,529.29x = 46,582,805,769.23
  5. Step 5: Solve for x
    x = 46,582,805,769.23/242,529.29
  6. Step 6: Final answer
    x = 192,070.85

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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.