Home / 104,006.15-143,528.32-56,259.35

Finding the Fourth Proportional to 104,006.15, 143,528.32 and 56,259.35

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Solution

The fourth proportional to 104,006.15, 143,528.32 and 56,259.35 is: 77,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,006.15 : 143,528.32 = 56,259.35 : x
  2. Step 2: Convert to fraction form
    104,006.15/143,528.32 = 56,259.35/x
  3. Step 3: Cross multiply
    104,006.15x = 143,528.32 × 56,259.35
  4. Step 4: Simplify right side
    104,006.15x = 8,074,809,989.79
  5. Step 5: Solve for x
    x = 8,074,809,989.79/104,006.15
  6. Step 6: Final answer
    x = 77,637.81

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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.