Home / 144,905.12-199,985.48-96,504.40

Finding the Fourth Proportional to 144,905.12, 199,985.48 and 96,504.40

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Solution

The fourth proportional to 144,905.12, 199,985.48 and 96,504.40 is: 133,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,905.12 : 199,985.48 = 96,504.40 : x
  2. Step 2: Convert to fraction form
    144,905.12/199,985.48 = 96,504.40/x
  3. Step 3: Cross multiply
    144,905.12x = 199,985.48 × 96,504.40
  4. Step 4: Simplify right side
    144,905.12x = 19,299,478,756.11
  5. Step 5: Solve for x
    x = 19,299,478,756.11/144,905.12
  6. Step 6: Final answer
    x = 133,187.00

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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.