Home / 187,802.12-259,171.98-102,922.76

Finding the Fourth Proportional to 187,802.12, 259,171.98 and 102,922.76

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Solution

The fourth proportional to 187,802.12, 259,171.98 and 102,922.76 is: 142,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,802.12 : 259,171.98 = 102,922.76 : x
  2. Step 2: Convert to fraction form
    187,802.12/259,171.98 = 102,922.76/x
  3. Step 3: Cross multiply
    187,802.12x = 259,171.98 × 102,922.76
  4. Step 4: Simplify right side
    187,802.12x = 26,674,695,496.26
  5. Step 5: Solve for x
    x = 26,674,695,496.26/187,802.12
  6. Step 6: Final answer
    x = 142,036.18

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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.