Home / 153,558.55-211,901.48-84,645.00

Finding the Fourth Proportional to 153,558.55, 211,901.48 and 84,645.00

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Solution

The fourth proportional to 153,558.55, 211,901.48 and 84,645.00 is: 116,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,558.55 : 211,901.48 = 84,645.00 : x
  2. Step 2: Convert to fraction form
    153,558.55/211,901.48 = 84,645.00/x
  3. Step 3: Cross multiply
    153,558.55x = 211,901.48 × 84,645.00
  4. Step 4: Simplify right side
    153,558.55x = 17,936,399,926.71
  5. Step 5: Solve for x
    x = 17,936,399,926.71/153,558.55
  6. Step 6: Final answer
    x = 116,804.96

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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.