Home / 104,281.23-143,908.29-56,534.79

Finding the Fourth Proportional to 104,281.23, 143,908.29 and 56,534.79

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Solution

The fourth proportional to 104,281.23, 143,908.29 and 56,534.79 is: 78,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,281.23 : 143,908.29 = 56,534.79 : x
  2. Step 2: Convert to fraction form
    104,281.23/143,908.29 = 56,534.79/x
  3. Step 3: Cross multiply
    104,281.23x = 143,908.29 × 56,534.79
  4. Step 4: Simplify right side
    104,281.23x = 8,135,824,954.41
  5. Step 5: Solve for x
    x = 8,135,824,954.41/104,281.23
  6. Step 6: Final answer
    x = 78,018.11

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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.