Home / 230,373.48-317,914.02-129,803.88

Finding the Fourth Proportional to 230,373.48, 317,914.02 and 129,803.88

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Solution

The fourth proportional to 230,373.48, 317,914.02 and 129,803.88 is: 179,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,373.48 : 317,914.02 = 129,803.88 : x
  2. Step 2: Convert to fraction form
    230,373.48/317,914.02 = 129,803.88/x
  3. Step 3: Cross multiply
    230,373.48x = 317,914.02 × 129,803.88
  4. Step 4: Simplify right side
    230,373.48x = 41,266,473,302.40
  5. Step 5: Solve for x
    x = 41,266,473,302.40/230,373.48
  6. Step 6: Final answer
    x = 179,128.58

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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.