Home / 104,881.55-144,740.95-57,137.52

Finding the Fourth Proportional to 104,881.55, 144,740.95 and 57,137.52

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Solution

The fourth proportional to 104,881.55, 144,740.95 and 57,137.52 is: 78,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.55 : 144,740.95 = 57,137.52 : x
  2. Step 2: Convert to fraction form
    104,881.55/144,740.95 = 57,137.52/x
  3. Step 3: Cross multiply
    104,881.55x = 144,740.95 × 57,137.52
  4. Step 4: Simplify right side
    104,881.55x = 8,270,138,671.91
  5. Step 5: Solve for x
    x = 8,270,138,671.91/104,881.55
  6. Step 6: Final answer
    x = 78,852.18

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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.