Home / 104,006.81-143,529.34-56,260.16

Finding the Fourth Proportional to 104,006.81, 143,529.34 and 56,260.16

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Solution

The fourth proportional to 104,006.81, 143,529.34 and 56,260.16 is: 77,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.81 : 143,529.34 = 56,260.16 : x
  2. Step 2: Convert to fraction form
    104,006.81/143,529.34 = 56,260.16/x
  3. Step 3: Cross multiply
    104,006.81x = 143,529.34 × 56,260.16
  4. Step 4: Simplify right side
    104,006.81x = 8,074,983,018.89
  5. Step 5: Solve for x
    x = 8,074,983,018.89/104,006.81
  6. Step 6: Final answer
    x = 77,638.98

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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.