Home / 124,955.82-172,406.88-70,515.90

Finding the Fourth Proportional to 124,955.82, 172,406.88 and 70,515.90

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Solution

The fourth proportional to 124,955.82, 172,406.88 and 70,515.90 is: 97,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.82 : 172,406.88 = 70,515.90 : x
  2. Step 2: Convert to fraction form
    124,955.82/172,406.88 = 70,515.90/x
  3. Step 3: Cross multiply
    124,955.82x = 172,406.88 × 70,515.90
  4. Step 4: Simplify right side
    124,955.82x = 12,157,426,309.39
  5. Step 5: Solve for x
    x = 12,157,426,309.39/124,955.82
  6. Step 6: Final answer
    x = 97,293.80

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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.