Home / 230,259.92-317,782.04-128,301.98

Finding the Fourth Proportional to 230,259.92, 317,782.04 and 128,301.98

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Solution

The fourth proportional to 230,259.92, 317,782.04 and 128,301.98 is: 177,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,259.92 : 317,782.04 = 128,301.98 : x
  2. Step 2: Convert to fraction form
    230,259.92/317,782.04 = 128,301.98/x
  3. Step 3: Cross multiply
    230,259.92x = 317,782.04 × 128,301.98
  4. Step 4: Simplify right side
    230,259.92x = 40,772,062,710.02
  5. Step 5: Solve for x
    x = 40,772,062,710.02/230,259.92
  6. Step 6: Final answer
    x = 177,069.74

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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.