Home / 230,746.16-318,429.96-130,144.16

Finding the Fourth Proportional to 230,746.16, 318,429.96 and 130,144.16

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Solution

The fourth proportional to 230,746.16, 318,429.96 and 130,144.16 is: 179,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,746.16 : 318,429.96 = 130,144.16 : x
  2. Step 2: Convert to fraction form
    230,746.16/318,429.96 = 130,144.16/x
  3. Step 3: Cross multiply
    230,746.16x = 318,429.96 × 130,144.16
  4. Step 4: Simplify right side
    230,746.16x = 41,441,799,663.03
  5. Step 5: Solve for x
    x = 41,441,799,663.03/230,746.16
  6. Step 6: Final answer
    x = 179,599.09

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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.