Home / 157,384.42-235,904.82-77,477.38

Finding the Fourth Proportional to 157,384.42, 235,904.82 and 77,477.38

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Solution

The fourth proportional to 157,384.42, 235,904.82 and 77,477.38 is: 116,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,384.42 : 235,904.82 = 77,477.38 : x
  2. Step 2: Convert to fraction form
    157,384.42/235,904.82 = 77,477.38/x
  3. Step 3: Cross multiply
    157,384.42x = 235,904.82 × 77,477.38
  4. Step 4: Simplify right side
    157,384.42x = 18,277,287,382.97
  5. Step 5: Solve for x
    x = 18,277,287,382.97/157,384.42
  6. Step 6: Final answer
    x = 116,131.49

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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.