Home / 102,678.46-141,535.53-94,430.05

Finding the Fourth Proportional to 102,678.46, 141,535.53 and 94,430.05

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Solution

The fourth proportional to 102,678.46, 141,535.53 and 94,430.05 is: 130,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,678.46 : 141,535.53 = 94,430.05 : x
  2. Step 2: Convert to fraction form
    102,678.46/141,535.53 = 94,430.05/x
  3. Step 3: Cross multiply
    102,678.46x = 141,535.53 × 94,430.05
  4. Step 4: Simplify right side
    102,678.46x = 13,365,207,174.68
  5. Step 5: Solve for x
    x = 13,365,207,174.68/102,678.46
  6. Step 6: Final answer
    x = 130,165.64

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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.