Home / 123,907.17-171,000.35-70,192.62

Finding the Fourth Proportional to 123,907.17, 171,000.35 and 70,192.62

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Solution

The fourth proportional to 123,907.17, 171,000.35 and 70,192.62 is: 96,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,907.17 : 171,000.35 = 70,192.62 : x
  2. Step 2: Convert to fraction form
    123,907.17/171,000.35 = 70,192.62/x
  3. Step 3: Cross multiply
    123,907.17x = 171,000.35 × 70,192.62
  4. Step 4: Simplify right side
    123,907.17x = 12,002,962,236.45
  5. Step 5: Solve for x
    x = 12,002,962,236.45/123,907.17
  6. Step 6: Final answer
    x = 96,870.60

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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.