Home / 272,176.58-407,674.02-131,640.50

Finding the Fourth Proportional to 272,176.58, 407,674.02 and 131,640.50

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Solution

The fourth proportional to 272,176.58, 407,674.02 and 131,640.50 is: 197,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,176.58 : 407,674.02 = 131,640.50 : x
  2. Step 2: Convert to fraction form
    272,176.58/407,674.02 = 131,640.50/x
  3. Step 3: Cross multiply
    272,176.58x = 407,674.02 × 131,640.50
  4. Step 4: Simplify right side
    272,176.58x = 53,666,411,829.81
  5. Step 5: Solve for x
    x = 53,666,411,829.81/272,176.58
  6. Step 6: Final answer
    x = 197,174.98

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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.