Home / 187,390.28-258,598.50-102,507.32

Finding the Fourth Proportional to 187,390.28, 258,598.50 and 102,507.32

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Solution

The fourth proportional to 187,390.28, 258,598.50 and 102,507.32 is: 141,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,390.28 : 258,598.50 = 102,507.32 : x
  2. Step 2: Convert to fraction form
    187,390.28/258,598.50 = 102,507.32/x
  3. Step 3: Cross multiply
    187,390.28x = 258,598.50 × 102,507.32
  4. Step 4: Simplify right side
    187,390.28x = 26,508,239,191.02
  5. Step 5: Solve for x
    x = 26,508,239,191.02/187,390.28
  6. Step 6: Final answer
    x = 141,460.05

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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.