Home / 187,360.32-258,555.36-102,479.04

Finding the Fourth Proportional to 187,360.32, 258,555.36 and 102,479.04

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Solution

The fourth proportional to 187,360.32, 258,555.36 and 102,479.04 is: 141,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,360.32 : 258,555.36 = 102,479.04 : x
  2. Step 2: Convert to fraction form
    187,360.32/258,555.36 = 102,479.04/x
  3. Step 3: Cross multiply
    187,360.32x = 258,555.36 × 102,479.04
  4. Step 4: Simplify right side
    187,360.32x = 26,496,505,079.65
  5. Step 5: Solve for x
    x = 26,496,505,079.65/187,360.32
  6. Step 6: Final answer
    x = 141,420.05

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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.