Home / 104,556.86-144,288.23-56,810.40

Finding the Fourth Proportional to 104,556.86, 144,288.23 and 56,810.40

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Solution

The fourth proportional to 104,556.86, 144,288.23 and 56,810.40 is: 78,398.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.86 : 144,288.23 = 56,810.40 : x
  2. Step 2: Convert to fraction form
    104,556.86/144,288.23 = 56,810.40/x
  3. Step 3: Cross multiply
    104,556.86x = 144,288.23 × 56,810.40
  4. Step 4: Simplify right side
    104,556.86x = 8,197,072,061.59
  5. Step 5: Solve for x
    x = 8,197,072,061.59/104,556.86
  6. Step 6: Final answer
    x = 78,398.22

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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.