Home / 104,509.07-144,220.15-56,761.39

Finding the Fourth Proportional to 104,509.07, 144,220.15 and 56,761.39

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Solution

The fourth proportional to 104,509.07, 144,220.15 and 56,761.39 is: 78,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,509.07 : 144,220.15 = 56,761.39 : x
  2. Step 2: Convert to fraction form
    104,509.07/144,220.15 = 56,761.39/x
  3. Step 3: Cross multiply
    104,509.07x = 144,220.15 × 56,761.39
  4. Step 4: Simplify right side
    104,509.07x = 8,186,136,111.95
  5. Step 5: Solve for x
    x = 8,186,136,111.95/104,509.07
  6. Step 6: Final answer
    x = 78,329.43

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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.