Home / 104,426.31-144,108.47-56,679.67

Finding the Fourth Proportional to 104,426.31, 144,108.47 and 56,679.67

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Solution

The fourth proportional to 104,426.31, 144,108.47 and 56,679.67 is: 78,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.31 : 144,108.47 = 56,679.67 : x
  2. Step 2: Convert to fraction form
    104,426.31/144,108.47 = 56,679.67/x
  3. Step 3: Cross multiply
    104,426.31x = 144,108.47 × 56,679.67
  4. Step 4: Simplify right side
    104,426.31x = 8,168,020,523.80
  5. Step 5: Solve for x
    x = 8,168,020,523.80/104,426.31
  6. Step 6: Final answer
    x = 78,218.03

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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.