Home / 105,114.02-157,577.28-38,538.62

Finding the Fourth Proportional to 105,114.02, 157,577.28 and 38,538.62

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Solution

The fourth proportional to 105,114.02, 157,577.28 and 38,538.62 is: 57,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,114.02 : 157,577.28 = 38,538.62 : x
  2. Step 2: Convert to fraction form
    105,114.02/157,577.28 = 38,538.62/x
  3. Step 3: Cross multiply
    105,114.02x = 157,577.28 × 38,538.62
  4. Step 4: Simplify right side
    105,114.02x = 6,072,810,914.55
  5. Step 5: Solve for x
    x = 6,072,810,914.55/105,114.02
  6. Step 6: Final answer
    x = 57,773.56

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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.