Home / 153,060.25-211,149.65-131,802.61

Finding the Fourth Proportional to 153,060.25, 211,149.65 and 131,802.61

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Solution

The fourth proportional to 153,060.25, 211,149.65 and 131,802.61 is: 181,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,060.25 : 211,149.65 = 131,802.61 : x
  2. Step 2: Convert to fraction form
    153,060.25/211,149.65 = 131,802.61/x
  3. Step 3: Cross multiply
    153,060.25x = 211,149.65 × 131,802.61
  4. Step 4: Simplify right side
    153,060.25x = 27,830,075,168.12
  5. Step 5: Solve for x
    x = 27,830,075,168.12/153,060.25
  6. Step 6: Final answer
    x = 181,824.32

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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.