Home / 104,266.50-143,886.96-56,518.62

Finding the Fourth Proportional to 104,266.50, 143,886.96 and 56,518.62

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Solution

The fourth proportional to 104,266.50, 143,886.96 and 56,518.62 is: 77,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.50 : 143,886.96 = 56,518.62 : x
  2. Step 2: Convert to fraction form
    104,266.50/143,886.96 = 56,518.62/x
  3. Step 3: Cross multiply
    104,266.50x = 143,886.96 × 56,518.62
  4. Step 4: Simplify right side
    104,266.50x = 8,132,292,415.20
  5. Step 5: Solve for x
    x = 8,132,292,415.20/104,266.50
  6. Step 6: Final answer
    x = 77,995.26

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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.