Home / 187,018.66-258,019.29-110,521.54

Finding the Fourth Proportional to 187,018.66, 258,019.29 and 110,521.54

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Solution

The fourth proportional to 187,018.66, 258,019.29 and 110,521.54 is: 152,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,018.66 : 258,019.29 = 110,521.54 : x
  2. Step 2: Convert to fraction form
    187,018.66/258,019.29 = 110,521.54/x
  3. Step 3: Cross multiply
    187,018.66x = 258,019.29 × 110,521.54
  4. Step 4: Simplify right side
    187,018.66x = 28,516,689,280.51
  5. Step 5: Solve for x
    x = 28,516,689,280.51/187,018.66
  6. Step 6: Final answer
    x = 152,480.45

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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.