Home / 211,250.40-316,875.60-136,600.80

Finding the Fourth Proportional to 211,250.40, 316,875.60 and 136,600.80

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Solution

The fourth proportional to 211,250.40, 316,875.60 and 136,600.80 is: 204,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,250.40 : 316,875.60 = 136,600.80 : x
  2. Step 2: Convert to fraction form
    211,250.40/316,875.60 = 136,600.80/x
  3. Step 3: Cross multiply
    211,250.40x = 316,875.60 × 136,600.80
  4. Step 4: Simplify right side
    211,250.40x = 43,285,460,460.48
  5. Step 5: Solve for x
    x = 43,285,460,460.48/211,250.40
  6. Step 6: Final answer
    x = 204,901.20

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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.