Home / 104,298.02-143,929.87-56,550.34

Finding the Fourth Proportional to 104,298.02, 143,929.87 and 56,550.34

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Solution

The fourth proportional to 104,298.02, 143,929.87 and 56,550.34 is: 78,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,298.02 : 143,929.87 = 56,550.34 : x
  2. Step 2: Convert to fraction form
    104,298.02/143,929.87 = 56,550.34/x
  3. Step 3: Cross multiply
    104,298.02x = 143,929.87 × 56,550.34
  4. Step 4: Simplify right side
    104,298.02x = 8,139,283,084.66
  5. Step 5: Solve for x
    x = 8,139,283,084.66/104,298.02
  6. Step 6: Final answer
    x = 78,038.71

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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.