Home / 124,172.22-171,417.16-76,466.46

Finding the Fourth Proportional to 124,172.22, 171,417.16 and 76,466.46

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Solution

The fourth proportional to 124,172.22, 171,417.16 and 76,466.46 is: 105,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,172.22 : 171,417.16 = 76,466.46 : x
  2. Step 2: Convert to fraction form
    124,172.22/171,417.16 = 76,466.46/x
  3. Step 3: Cross multiply
    124,172.22x = 171,417.16 × 76,466.46
  4. Step 4: Simplify right side
    124,172.22x = 13,107,663,408.45
  5. Step 5: Solve for x
    x = 13,107,663,408.45/124,172.22
  6. Step 6: Final answer
    x = 105,560.35

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1.5x scale

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.