Home / 98,633.76-136,111.85-55,612.88

Finding the Fourth Proportional to 98,633.76, 136,111.85 and 55,612.88

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Solution

The fourth proportional to 98,633.76, 136,111.85 and 55,612.88 is: 76,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.76 : 136,111.85 = 55,612.88 : x
  2. Step 2: Convert to fraction form
    98,633.76/136,111.85 = 55,612.88/x
  3. Step 3: Cross multiply
    98,633.76x = 136,111.85 × 55,612.88
  4. Step 4: Simplify right side
    98,633.76x = 7,569,571,300.07
  5. Step 5: Solve for x
    x = 7,569,571,300.07/98,633.76
  6. Step 6: Final answer
    x = 76,744.22

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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.