Home / 240,242.16-360,580.61-128,017.20

Finding the Fourth Proportional to 240,242.16, 360,580.61 and 128,017.20

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Solution

The fourth proportional to 240,242.16, 360,580.61 and 128,017.20 is: 192,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,242.16 : 360,580.61 = 128,017.20 : x
  2. Step 2: Convert to fraction form
    240,242.16/360,580.61 = 128,017.20/x
  3. Step 3: Cross multiply
    240,242.16x = 360,580.61 × 128,017.20
  4. Step 4: Simplify right side
    240,242.16x = 46,160,519,426.41
  5. Step 5: Solve for x
    x = 46,160,519,426.41/240,242.16
  6. Step 6: Final answer
    x = 192,141.63

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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.