Home / 133,316.20-199,901.40-54,341.20

Finding the Fourth Proportional to 133,316.20, 199,901.40 and 54,341.20

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Solution

The fourth proportional to 133,316.20, 199,901.40 and 54,341.20 is: 81,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,316.20 : 199,901.40 = 54,341.20 : x
  2. Step 2: Convert to fraction form
    133,316.20/199,901.40 = 54,341.20/x
  3. Step 3: Cross multiply
    133,316.20x = 199,901.40 × 54,341.20
  4. Step 4: Simplify right side
    133,316.20x = 10,862,881,957.68
  5. Step 5: Solve for x
    x = 10,862,881,957.68/133,316.20
  6. Step 6: Final answer
    x = 81,482.09

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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.