Home / 146,688.09-202,422.56-90,088.53

Finding the Fourth Proportional to 146,688.09, 202,422.56 and 90,088.53

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Solution

The fourth proportional to 146,688.09, 202,422.56 and 90,088.53 is: 124,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,688.09 : 202,422.56 = 90,088.53 : x
  2. Step 2: Convert to fraction form
    146,688.09/202,422.56 = 90,088.53/x
  3. Step 3: Cross multiply
    146,688.09x = 202,422.56 × 90,088.53
  4. Step 4: Simplify right side
    146,688.09x = 18,235,950,418.79
  5. Step 5: Solve for x
    x = 18,235,950,418.79/146,688.09
  6. Step 6: Final answer
    x = 124,317.87

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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.