Home / 172,146.28-237,590.04-143,420.39

Finding the Fourth Proportional to 172,146.28, 237,590.04 and 143,420.39

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Solution

The fourth proportional to 172,146.28, 237,590.04 and 143,420.39 is: 197,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,146.28 : 237,590.04 = 143,420.39 : x
  2. Step 2: Convert to fraction form
    172,146.28/237,590.04 = 143,420.39/x
  3. Step 3: Cross multiply
    172,146.28x = 237,590.04 × 143,420.39
  4. Step 4: Simplify right side
    172,146.28x = 34,075,256,614.32
  5. Step 5: Solve for x
    x = 34,075,256,614.32/172,146.28
  6. Step 6: Final answer
    x = 197,943.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.