Home / 101,376.35-139,887.08-56,048.15

Finding the Fourth Proportional to 101,376.35, 139,887.08 and 56,048.15

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Solution

The fourth proportional to 101,376.35, 139,887.08 and 56,048.15 is: 77,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,376.35 : 139,887.08 = 56,048.15 : x
  2. Step 2: Convert to fraction form
    101,376.35/139,887.08 = 56,048.15/x
  3. Step 3: Cross multiply
    101,376.35x = 139,887.08 × 56,048.15
  4. Step 4: Simplify right side
    101,376.35x = 7,840,411,063.23
  5. Step 5: Solve for x
    x = 7,840,411,063.23/101,376.35
  6. Step 6: Final answer
    x = 77,339.64

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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.