Home / 124,905.74-172,441.24-82,587.02

Finding the Fourth Proportional to 124,905.74, 172,441.24 and 82,587.02

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Solution

The fourth proportional to 124,905.74, 172,441.24 and 82,587.02 is: 114,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,905.74 : 172,441.24 = 82,587.02 : x
  2. Step 2: Convert to fraction form
    124,905.74/172,441.24 = 82,587.02/x
  3. Step 3: Cross multiply
    124,905.74x = 172,441.24 × 82,587.02
  4. Step 4: Simplify right side
    124,905.74x = 14,241,407,068.03
  5. Step 5: Solve for x
    x = 14,241,407,068.03/124,905.74
  6. Step 6: Final answer
    x = 114,017.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.