Home / 155,986.80-234,023.40-103,498.80

Finding the Fourth Proportional to 155,986.80, 234,023.40 and 103,498.80

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Solution

The fourth proportional to 155,986.80, 234,023.40 and 103,498.80 is: 155,276.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,986.80 : 234,023.40 = 103,498.80 : x
  2. Step 2: Convert to fraction form
    155,986.80/234,023.40 = 103,498.80/x
  3. Step 3: Cross multiply
    155,986.80x = 234,023.40 × 103,498.80
  4. Step 4: Simplify right side
    155,986.80x = 24,221,141,071.92
  5. Step 5: Solve for x
    x = 24,221,141,071.92/155,986.80
  6. Step 6: Final answer
    x = 155,276.86

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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.