Home / 104,004.72-143,533.28-58,666.16

Finding the Fourth Proportional to 104,004.72, 143,533.28 and 58,666.16

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Solution

The fourth proportional to 104,004.72, 143,533.28 and 58,666.16 is: 80,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,004.72 : 143,533.28 = 58,666.16 : x
  2. Step 2: Convert to fraction form
    104,004.72/143,533.28 = 58,666.16/x
  3. Step 3: Cross multiply
    104,004.72x = 143,533.28 × 58,666.16
  4. Step 4: Simplify right side
    104,004.72x = 8,420,545,798.80
  5. Step 5: Solve for x
    x = 8,420,545,798.80/104,004.72
  6. Step 6: Final answer
    x = 80,963.11

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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.