Home / 104,206.16-143,804.64-56,459.47

Finding the Fourth Proportional to 104,206.16, 143,804.64 and 56,459.47

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Solution

The fourth proportional to 104,206.16, 143,804.64 and 56,459.47 is: 77,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,206.16 : 143,804.64 = 56,459.47 : x
  2. Step 2: Convert to fraction form
    104,206.16/143,804.64 = 56,459.47/x
  3. Step 3: Cross multiply
    104,206.16x = 143,804.64 × 56,459.47
  4. Step 4: Simplify right side
    104,206.16x = 8,119,134,125.44
  5. Step 5: Solve for x
    x = 8,119,134,125.44/104,206.16
  6. Step 6: Final answer
    x = 77,914.15

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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.