Home / 143,891.83-215,800.93-42,666.22

Finding the Fourth Proportional to 143,891.83, 215,800.93 and 42,666.22

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Solution

The fourth proportional to 143,891.83, 215,800.93 and 42,666.22 is: 63,988.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,891.83 : 215,800.93 = 42,666.22 : x
  2. Step 2: Convert to fraction form
    143,891.83/215,800.93 = 42,666.22/x
  3. Step 3: Cross multiply
    143,891.83x = 215,800.93 × 42,666.22
  4. Step 4: Simplify right side
    143,891.83x = 9,207,410,278.67
  5. Step 5: Solve for x
    x = 9,207,410,278.67/143,891.83
  6. Step 6: Final answer
    x = 63,988.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.