Home / 134,814.72-186,060.78-77,453.94

Finding the Fourth Proportional to 134,814.72, 186,060.78 and 77,453.94

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Solution

The fourth proportional to 134,814.72, 186,060.78 and 77,453.94 is: 106,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,814.72 : 186,060.78 = 77,453.94 : x
  2. Step 2: Convert to fraction form
    134,814.72/186,060.78 = 77,453.94/x
  3. Step 3: Cross multiply
    134,814.72x = 186,060.78 × 77,453.94
  4. Step 4: Simplify right side
    134,814.72x = 14,411,140,490.47
  5. Step 5: Solve for x
    x = 14,411,140,490.47/134,814.72
  6. Step 6: Final answer
    x = 106,895.90

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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.