Home / 124,684.35-172,065.50-70,972.82

Finding the Fourth Proportional to 124,684.35, 172,065.50 and 70,972.82

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Solution

The fourth proportional to 124,684.35, 172,065.50 and 70,972.82 is: 97,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,684.35 : 172,065.50 = 70,972.82 : x
  2. Step 2: Convert to fraction form
    124,684.35/172,065.50 = 70,972.82/x
  3. Step 3: Cross multiply
    124,684.35x = 172,065.50 × 70,972.82
  4. Step 4: Simplify right side
    124,684.35x = 12,211,974,012.44
  5. Step 5: Solve for x
    x = 12,211,974,012.44/124,684.35
  6. Step 6: Final answer
    x = 97,943.12

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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.