Home / 105,160.02-157,741.40-30,281.39

Finding the Fourth Proportional to 105,160.02, 157,741.40 and 30,281.39

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Solution

The fourth proportional to 105,160.02, 157,741.40 and 30,281.39 is: 45,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,160.02 : 157,741.40 = 30,281.39 : x
  2. Step 2: Convert to fraction form
    105,160.02/157,741.40 = 30,281.39/x
  3. Step 3: Cross multiply
    105,160.02x = 157,741.40 × 30,281.39
  4. Step 4: Simplify right side
    105,160.02x = 4,776,629,095.49
  5. Step 5: Solve for x
    x = 4,776,629,095.49/105,160.02
  6. Step 6: Final answer
    x = 45,422.48

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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.