Home / 184,728.04-254,806.50-128,118.76

Finding the Fourth Proportional to 184,728.04, 254,806.50 and 128,118.76

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Solution

The fourth proportional to 184,728.04, 254,806.50 and 128,118.76 is: 176,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,728.04 : 254,806.50 = 128,118.76 : x
  2. Step 2: Convert to fraction form
    184,728.04/254,806.50 = 128,118.76/x
  3. Step 3: Cross multiply
    184,728.04x = 254,806.50 × 128,118.76
  4. Step 4: Simplify right side
    184,728.04x = 32,645,492,819.94
  5. Step 5: Solve for x
    x = 32,645,492,819.94/184,728.04
  6. Step 6: Final answer
    x = 176,721.91

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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.