Home / 104,267.40-143,889.75-56,521.50

Finding the Fourth Proportional to 104,267.40, 143,889.75 and 56,521.50

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Solution

The fourth proportional to 104,267.40, 143,889.75 and 56,521.50 is: 78,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,267.40 : 143,889.75 = 56,521.50 : x
  2. Step 2: Convert to fraction form
    104,267.40/143,889.75 = 56,521.50/x
  3. Step 3: Cross multiply
    104,267.40x = 143,889.75 × 56,521.50
  4. Step 4: Simplify right side
    104,267.40x = 8,132,864,504.63
  5. Step 5: Solve for x
    x = 8,132,864,504.63/104,267.40
  6. Step 6: Final answer
    x = 78,000.07

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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.