Home / 163,739.83-245,595.66-99,681.34

Finding the Fourth Proportional to 163,739.83, 245,595.66 and 99,681.34

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Solution

The fourth proportional to 163,739.83, 245,595.66 and 99,681.34 is: 149,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,739.83 : 245,595.66 = 99,681.34 : x
  2. Step 2: Convert to fraction form
    163,739.83/245,595.66 = 99,681.34/x
  3. Step 3: Cross multiply
    163,739.83x = 245,595.66 × 99,681.34
  4. Step 4: Simplify right side
    163,739.83x = 24,481,303,259.01
  5. Step 5: Solve for x
    x = 24,481,303,259.01/163,739.83
  6. Step 6: Final answer
    x = 149,513.43

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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.