Home / 124,375.94-171,643.38-70,670.05

Finding the Fourth Proportional to 124,375.94, 171,643.38 and 70,670.05

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Solution

The fourth proportional to 124,375.94, 171,643.38 and 70,670.05 is: 97,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,375.94 : 171,643.38 = 70,670.05 : x
  2. Step 2: Convert to fraction form
    124,375.94/171,643.38 = 70,670.05/x
  3. Step 3: Cross multiply
    124,375.94x = 171,643.38 × 70,670.05
  4. Step 4: Simplify right side
    124,375.94x = 12,130,046,726.34
  5. Step 5: Solve for x
    x = 12,130,046,726.34/124,375.94
  6. Step 6: Final answer
    x = 97,527.28

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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.