Home / 187,390.32-258,598.62-102,507.18

Finding the Fourth Proportional to 187,390.32, 258,598.62 and 102,507.18

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Solution

The fourth proportional to 187,390.32, 258,598.62 and 102,507.18 is: 141,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.32 : 258,598.62 = 102,507.18 : x
  2. Step 2: Convert to fraction form
    187,390.32/258,598.62 = 102,507.18/x
  3. Step 3: Cross multiply
    187,390.32x = 258,598.62 × 102,507.18
  4. Step 4: Simplify right side
    187,390.32x = 26,508,215,288.09
  5. Step 5: Solve for x
    x = 26,508,215,288.09/187,390.32
  6. Step 6: Final answer
    x = 141,459.90

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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.