Home / 256,360.23-384,781.59-130,091.13

Finding the Fourth Proportional to 256,360.23, 384,781.59 and 130,091.13

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Solution

The fourth proportional to 256,360.23, 384,781.59 and 130,091.13 is: 195,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,360.23 : 384,781.59 = 130,091.13 : x
  2. Step 2: Convert to fraction form
    256,360.23/384,781.59 = 130,091.13/x
  3. Step 3: Cross multiply
    256,360.23x = 384,781.59 × 130,091.13
  4. Step 4: Simplify right side
    256,360.23x = 50,056,671,846.30
  5. Step 5: Solve for x
    x = 50,056,671,846.30/256,360.23
  6. Step 6: Final answer
    x = 195,259.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.