Home / 250,196.61-345,185.64-142,689.36

Finding the Fourth Proportional to 250,196.61, 345,185.64 and 142,689.36

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Solution

The fourth proportional to 250,196.61, 345,185.64 and 142,689.36 is: 196,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,196.61 : 345,185.64 = 142,689.36 : x
  2. Step 2: Convert to fraction form
    250,196.61/345,185.64 = 142,689.36/x
  3. Step 3: Cross multiply
    250,196.61x = 345,185.64 × 142,689.36
  4. Step 4: Simplify right side
    250,196.61x = 49,254,318,052.79
  5. Step 5: Solve for x
    x = 49,254,318,052.79/250,196.61
  6. Step 6: Final answer
    x = 196,862.45

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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.