Home / 104,270.76-156,428.01-45,114.84

Finding the Fourth Proportional to 104,270.76, 156,428.01 and 45,114.84

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Solution

The fourth proportional to 104,270.76, 156,428.01 and 45,114.84 is: 67,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,270.76 : 156,428.01 = 45,114.84 : x
  2. Step 2: Convert to fraction form
    104,270.76/156,428.01 = 45,114.84/x
  3. Step 3: Cross multiply
    104,270.76x = 156,428.01 × 45,114.84
  4. Step 4: Simplify right side
    104,270.76x = 7,057,224,642.67
  5. Step 5: Solve for x
    x = 7,057,224,642.67/104,270.76
  6. Step 6: Final answer
    x = 67,681.72

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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.