Home / 272,185.04-408,360.56-139,158.71

Finding the Fourth Proportional to 272,185.04, 408,360.56 and 139,158.71

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Solution

The fourth proportional to 272,185.04, 408,360.56 and 139,158.71 is: 208,780.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,185.04 : 408,360.56 = 139,158.71 : x
  2. Step 2: Convert to fraction form
    272,185.04/408,360.56 = 139,158.71/x
  3. Step 3: Cross multiply
    272,185.04x = 408,360.56 × 139,158.71
  4. Step 4: Simplify right side
    272,185.04x = 56,826,927,538.23
  5. Step 5: Solve for x
    x = 56,826,927,538.23/272,185.04
  6. Step 6: Final answer
    x = 208,780.49

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