Home / 103,844.81-143,305.65-56,098.01

Finding the Fourth Proportional to 103,844.81, 143,305.65 and 56,098.01

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Solution

The fourth proportional to 103,844.81, 143,305.65 and 56,098.01 is: 77,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,844.81 : 143,305.65 = 56,098.01 : x
  2. Step 2: Convert to fraction form
    103,844.81/143,305.65 = 56,098.01/x
  3. Step 3: Cross multiply
    103,844.81x = 143,305.65 × 56,098.01
  4. Step 4: Simplify right side
    103,844.81x = 8,039,161,070.23
  5. Step 5: Solve for x
    x = 8,039,161,070.23/103,844.81
  6. Step 6: Final answer
    x = 77,415.15

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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.