Home / 169,201.90-253,802.85-155,205.10

Finding the Fourth Proportional to 169,201.90, 253,802.85 and 155,205.10

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Solution

The fourth proportional to 169,201.90, 253,802.85 and 155,205.10 is: 232,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,201.90 : 253,802.85 = 155,205.10 : x
  2. Step 2: Convert to fraction form
    169,201.90/253,802.85 = 155,205.10/x
  3. Step 3: Cross multiply
    169,201.90x = 253,802.85 × 155,205.10
  4. Step 4: Simplify right side
    169,201.90x = 39,391,496,714.54
  5. Step 5: Solve for x
    x = 39,391,496,714.54/169,201.90
  6. Step 6: Final answer
    x = 232,807.65

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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.