Home / 155,937.40-234,021.30-103,329.40

Finding the Fourth Proportional to 155,937.40, 234,021.30 and 103,329.40

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Solution

The fourth proportional to 155,937.40, 234,021.30 and 103,329.40 is: 155,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,937.40 : 234,021.30 = 103,329.40 : x
  2. Step 2: Convert to fraction form
    155,937.40/234,021.30 = 103,329.40/x
  3. Step 3: Cross multiply
    155,937.40x = 234,021.30 × 103,329.40
  4. Step 4: Simplify right side
    155,937.40x = 24,181,280,516.22
  5. Step 5: Solve for x
    x = 24,181,280,516.22/155,937.40
  6. Step 6: Final answer
    x = 155,070.44

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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.