Home / 124,620.51-171,977-70,905.53

Finding the Fourth Proportional to 124,620.51, 171,977 and 70,905.53

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Solution

The fourth proportional to 124,620.51, 171,977 and 70,905.53 is: 97,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620.51 : 171,977 = 70,905.53 : x
  2. Step 2: Convert to fraction form
    124,620.51/171,977 = 70,905.53/x
  3. Step 3: Cross multiply
    124,620.51x = 171,977 × 70,905.53
  4. Step 4: Simplify right side
    124,620.51x = 12,194,120,332.81
  5. Step 5: Solve for x
    x = 12,194,120,332.81/124,620.51
  6. Step 6: Final answer
    x = 97,850.03

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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.