Home / 104,307.29-143,943.69-56,560.52

Finding the Fourth Proportional to 104,307.29, 143,943.69 and 56,560.52

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Solution

The fourth proportional to 104,307.29, 143,943.69 and 56,560.52 is: 78,053.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.29 : 143,943.69 = 56,560.52 : x
  2. Step 2: Convert to fraction form
    104,307.29/143,943.69 = 56,560.52/x
  3. Step 3: Cross multiply
    104,307.29x = 143,943.69 × 56,560.52
  4. Step 4: Simplify right side
    104,307.29x = 8,141,529,957.12
  5. Step 5: Solve for x
    x = 8,141,529,957.12/104,307.29
  6. Step 6: Final answer
    x = 78,053.32

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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.