Home / 163,962.45-245,943.72-126,577.10

Finding the Fourth Proportional to 163,962.45, 245,943.72 and 126,577.10

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Solution

The fourth proportional to 163,962.45, 245,943.72 and 126,577.10 is: 189,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,962.45 : 245,943.72 = 126,577.10 : x
  2. Step 2: Convert to fraction form
    163,962.45/245,943.72 = 126,577.10/x
  3. Step 3: Cross multiply
    163,962.45x = 245,943.72 × 126,577.10
  4. Step 4: Simplify right side
    163,962.45x = 31,130,841,611.09
  5. Step 5: Solve for x
    x = 31,130,841,611.09/163,962.45
  6. Step 6: Final answer
    x = 189,865.68

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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.