Home / 212,908.07-319,307.61-63,113.34

Finding the Fourth Proportional to 212,908.07, 319,307.61 and 63,113.34

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Solution

The fourth proportional to 212,908.07, 319,307.61 and 63,113.34 is: 94,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,908.07 : 319,307.61 = 63,113.34 : x
  2. Step 2: Convert to fraction form
    212,908.07/319,307.61 = 63,113.34/x
  3. Step 3: Cross multiply
    212,908.07x = 319,307.61 × 63,113.34
  4. Step 4: Simplify right side
    212,908.07x = 20,152,569,754.52
  5. Step 5: Solve for x
    x = 20,152,569,754.52/212,908.07
  6. Step 6: Final answer
    x = 94,653.86

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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.