Home / 155,418.40-233,242.80-102,810.40

Finding the Fourth Proportional to 155,418.40, 233,242.80 and 102,810.40

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Solution

The fourth proportional to 155,418.40, 233,242.80 and 102,810.40 is: 154,291.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418.40 : 233,242.80 = 102,810.40 : x
  2. Step 2: Convert to fraction form
    155,418.40/233,242.80 = 102,810.40/x
  3. Step 3: Cross multiply
    155,418.40x = 233,242.80 × 102,810.40
  4. Step 4: Simplify right side
    155,418.40x = 23,979,785,565.12
  5. Step 5: Solve for x
    x = 23,979,785,565.12/155,418.40
  6. Step 6: Final answer
    x = 154,291.81

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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.