Home / 319,840.14-479,702.16-83,168.13

Finding the Fourth Proportional to 319,840.14, 479,702.16 and 83,168.13

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Solution

The fourth proportional to 319,840.14, 479,702.16 and 83,168.13 is: 124,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,840.14 : 479,702.16 = 83,168.13 : x
  2. Step 2: Convert to fraction form
    319,840.14/479,702.16 = 83,168.13/x
  3. Step 3: Cross multiply
    319,840.14x = 479,702.16 × 83,168.13
  4. Step 4: Simplify right side
    319,840.14x = 39,895,931,604.16
  5. Step 5: Solve for x
    x = 39,895,931,604.16/319,840.14
  6. Step 6: Final answer
    x = 124,737.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.