Home / 101,376.08-139,903.86-56,053.22

Finding the Fourth Proportional to 101,376.08, 139,903.86 and 56,053.22

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Solution

The fourth proportional to 101,376.08, 139,903.86 and 56,053.22 is: 77,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376.08 : 139,903.86 = 56,053.22 : x
  2. Step 2: Convert to fraction form
    101,376.08/139,903.86 = 56,053.22/x
  3. Step 3: Cross multiply
    101,376.08x = 139,903.86 × 56,053.22
  4. Step 4: Simplify right side
    101,376.08x = 7,842,061,843.43
  5. Step 5: Solve for x
    x = 7,842,061,843.43/101,376.08
  6. Step 6: Final answer
    x = 77,356.14

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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.