Home / 104,230.48-143,837.70-56,485

Finding the Fourth Proportional to 104,230.48, 143,837.70 and 56,485

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Solution

The fourth proportional to 104,230.48, 143,837.70 and 56,485 is: 77,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,230.48 : 143,837.70 = 56,485 : x
  2. Step 2: Convert to fraction form
    104,230.48/143,837.70 = 56,485/x
  3. Step 3: Cross multiply
    104,230.48x = 143,837.70 × 56,485
  4. Step 4: Simplify right side
    104,230.48x = 8,124,672,484.50
  5. Step 5: Solve for x
    x = 8,124,672,484.50/104,230.48
  6. Step 6: Final answer
    x = 77,949.10

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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.