Home / 104,007.81-143,530.72-56,261.16

Finding the Fourth Proportional to 104,007.81, 143,530.72 and 56,261.16

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Solution

The fourth proportional to 104,007.81, 143,530.72 and 56,261.16 is: 77,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,007.81 : 143,530.72 = 56,261.16 : x
  2. Step 2: Convert to fraction form
    104,007.81/143,530.72 = 56,261.16/x
  3. Step 3: Cross multiply
    104,007.81x = 143,530.72 × 56,261.16
  4. Step 4: Simplify right side
    104,007.81x = 8,075,204,802.84
  5. Step 5: Solve for x
    x = 8,075,204,802.84/104,007.81
  6. Step 6: Final answer
    x = 77,640.37

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1.5x scale

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.