Home / 144,292.79-198,995.13-90,582.81

Finding the Fourth Proportional to 144,292.79, 198,995.13 and 90,582.81

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Solution

The fourth proportional to 144,292.79, 198,995.13 and 90,582.81 is: 124,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292.79 : 198,995.13 = 90,582.81 : x
  2. Step 2: Convert to fraction form
    144,292.79/198,995.13 = 90,582.81/x
  3. Step 3: Cross multiply
    144,292.79x = 198,995.13 × 90,582.81
  4. Step 4: Simplify right side
    144,292.79x = 18,025,537,305.48
  5. Step 5: Solve for x
    x = 18,025,537,305.48/144,292.79
  6. Step 6: Final answer
    x = 124,923.34

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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.