Home / 103,028.68-154,543.02-56,256.04

Finding the Fourth Proportional to 103,028.68, 154,543.02 and 56,256.04

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Solution

The fourth proportional to 103,028.68, 154,543.02 and 56,256.04 is: 84,384.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,028.68 : 154,543.02 = 56,256.04 : x
  2. Step 2: Convert to fraction form
    103,028.68/154,543.02 = 56,256.04/x
  3. Step 3: Cross multiply
    103,028.68x = 154,543.02 × 56,256.04
  4. Step 4: Simplify right side
    103,028.68x = 8,693,978,314.84
  5. Step 5: Solve for x
    x = 8,693,978,314.84/103,028.68
  6. Step 6: Final answer
    x = 84,384.06

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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.