Home / 104,480.47-144,181.77-56,734.16

Finding the Fourth Proportional to 104,480.47, 144,181.77 and 56,734.16

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Solution

The fourth proportional to 104,480.47, 144,181.77 and 56,734.16 is: 78,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480.47 : 144,181.77 = 56,734.16 : x
  2. Step 2: Convert to fraction form
    104,480.47/144,181.77 = 56,734.16/x
  3. Step 3: Cross multiply
    104,480.47x = 144,181.77 × 56,734.16
  4. Step 4: Simplify right side
    104,480.47x = 8,180,031,602.00
  5. Step 5: Solve for x
    x = 8,180,031,602.00/104,480.47
  6. Step 6: Final answer
    x = 78,292.45

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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.