Home / 102,560.04-153,809.82-43,394.40

Finding the Fourth Proportional to 102,560.04, 153,809.82 and 43,394.40

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Solution

The fourth proportional to 102,560.04, 153,809.82 and 43,394.40 is: 65,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,560.04 : 153,809.82 = 43,394.40 : x
  2. Step 2: Convert to fraction form
    102,560.04/153,809.82 = 43,394.40/x
  3. Step 3: Cross multiply
    102,560.04x = 153,809.82 × 43,394.40
  4. Step 4: Simplify right side
    102,560.04x = 6,674,484,853.01
  5. Step 5: Solve for x
    x = 6,674,484,853.01/102,560.04
  6. Step 6: Final answer
    x = 65,078.81

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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.