Home / 104,035.89-143,570.70-56,290.17

Finding the Fourth Proportional to 104,035.89, 143,570.70 and 56,290.17

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Solution

The fourth proportional to 104,035.89, 143,570.70 and 56,290.17 is: 77,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,035.89 : 143,570.70 = 56,290.17 : x
  2. Step 2: Convert to fraction form
    104,035.89/143,570.70 = 56,290.17/x
  3. Step 3: Cross multiply
    104,035.89x = 143,570.70 × 56,290.17
  4. Step 4: Simplify right side
    104,035.89x = 8,081,619,110.02
  5. Step 5: Solve for x
    x = 8,081,619,110.02/104,035.89
  6. Step 6: Final answer
    x = 77,681.07

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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.