Home / 104,887.04-144,743.36-57,140.37

Finding the Fourth Proportional to 104,887.04, 144,743.36 and 57,140.37

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Solution

The fourth proportional to 104,887.04, 144,743.36 and 57,140.37 is: 78,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,887.04 : 144,743.36 = 57,140.37 : x
  2. Step 2: Convert to fraction form
    104,887.04/144,743.36 = 57,140.37/x
  3. Step 3: Cross multiply
    104,887.04x = 144,743.36 × 57,140.37
  4. Step 4: Simplify right side
    104,887.04x = 8,270,688,859.74
  5. Step 5: Solve for x
    x = 8,270,688,859.74/104,887.04
  6. Step 6: Final answer
    x = 78,853.30

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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.