Home / 155,983.80-234,018.90-103,495.80

Finding the Fourth Proportional to 155,983.80, 234,018.90 and 103,495.80

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Solution

The fourth proportional to 155,983.80, 234,018.90 and 103,495.80 is: 155,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,983.80 : 234,018.90 = 103,495.80 : x
  2. Step 2: Convert to fraction form
    155,983.80/234,018.90 = 103,495.80/x
  3. Step 3: Cross multiply
    155,983.80x = 234,018.90 × 103,495.80
  4. Step 4: Simplify right side
    155,983.80x = 24,219,973,270.62
  5. Step 5: Solve for x
    x = 24,219,973,270.62/155,983.80
  6. Step 6: Final answer
    x = 155,272.36

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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.