Home / 372,102.02-558,153.02-91,619.26

Finding the Fourth Proportional to 372,102.02, 558,153.02 and 91,619.26

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Solution

The fourth proportional to 372,102.02, 558,153.02 and 91,619.26 is: 137,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,102.02 : 558,153.02 = 91,619.26 : x
  2. Step 2: Convert to fraction form
    372,102.02/558,153.02 = 91,619.26/x
  3. Step 3: Cross multiply
    372,102.02x = 558,153.02 × 91,619.26
  4. Step 4: Simplify right side
    372,102.02x = 51,137,566,659.17
  5. Step 5: Solve for x
    x = 51,137,566,659.17/372,102.02
  6. Step 6: Final answer
    x = 137,428.89

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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.