Home / 104,063.29-143,607.34-56,316.65

Finding the Fourth Proportional to 104,063.29, 143,607.34 and 56,316.65

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Solution

The fourth proportional to 104,063.29, 143,607.34 and 56,316.65 is: 77,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.29 : 143,607.34 = 56,316.65 : x
  2. Step 2: Convert to fraction form
    104,063.29/143,607.34 = 56,316.65/x
  3. Step 3: Cross multiply
    104,063.29x = 143,607.34 × 56,316.65
  4. Step 4: Simplify right side
    104,063.29x = 8,087,484,195.10
  5. Step 5: Solve for x
    x = 8,087,484,195.10/104,063.29
  6. Step 6: Final answer
    x = 77,716.97

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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.