Home / 187,420.02-258,614.13-111,952.50

Finding the Fourth Proportional to 187,420.02, 258,614.13 and 111,952.50

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Solution

The fourth proportional to 187,420.02, 258,614.13 and 111,952.50 is: 154,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,420.02 : 258,614.13 = 111,952.50 : x
  2. Step 2: Convert to fraction form
    187,420.02/258,614.13 = 111,952.50/x
  3. Step 3: Cross multiply
    187,420.02x = 258,614.13 × 111,952.50
  4. Step 4: Simplify right side
    187,420.02x = 28,952,498,388.83
  5. Step 5: Solve for x
    x = 28,952,498,388.83/187,420.02
  6. Step 6: Final answer
    x = 154,479.22

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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.