Home / 149,257.31-223,915.50-42,642.17

Finding the Fourth Proportional to 149,257.31, 223,915.50 and 42,642.17

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Solution

The fourth proportional to 149,257.31, 223,915.50 and 42,642.17 is: 63,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,257.31 : 223,915.50 = 42,642.17 : x
  2. Step 2: Convert to fraction form
    149,257.31/223,915.50 = 42,642.17/x
  3. Step 3: Cross multiply
    149,257.31x = 223,915.50 × 42,642.17
  4. Step 4: Simplify right side
    149,257.31x = 9,548,242,696.65
  5. Step 5: Solve for x
    x = 9,548,242,696.65/149,257.31
  6. Step 6: Final answer
    x = 63,971.69

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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.