Home / 104,456.93-144,149.78-56,709.05

Finding the Fourth Proportional to 104,456.93, 144,149.78 and 56,709.05

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Solution

The fourth proportional to 104,456.93, 144,149.78 and 56,709.05 is: 78,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.93 : 144,149.78 = 56,709.05 : x
  2. Step 2: Convert to fraction form
    104,456.93/144,149.78 = 56,709.05/x
  3. Step 3: Cross multiply
    104,456.93x = 144,149.78 × 56,709.05
  4. Step 4: Simplify right side
    104,456.93x = 8,174,596,502.53
  5. Step 5: Solve for x
    x = 8,174,596,502.53/104,456.93
  6. Step 6: Final answer
    x = 78,258.06

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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.