Home / 104,364.38-144,018.96-56,616.72

Finding the Fourth Proportional to 104,364.38, 144,018.96 and 56,616.72

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Solution

The fourth proportional to 104,364.38, 144,018.96 and 56,616.72 is: 78,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,364.38 : 144,018.96 = 56,616.72 : x
  2. Step 2: Convert to fraction form
    104,364.38/144,018.96 = 56,616.72/x
  3. Step 3: Cross multiply
    104,364.38x = 144,018.96 × 56,616.72
  4. Step 4: Simplify right side
    104,364.38x = 8,153,881,133.01
  5. Step 5: Solve for x
    x = 8,153,881,133.01/104,364.38
  6. Step 6: Final answer
    x = 78,128.97

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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.