Home / 131,632.17-181,655.51-75,048.81

Finding the Fourth Proportional to 131,632.17, 181,655.51 and 75,048.81

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Solution

The fourth proportional to 131,632.17, 181,655.51 and 75,048.81 is: 103,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.17 : 181,655.51 = 75,048.81 : x
  2. Step 2: Convert to fraction form
    131,632.17/181,655.51 = 75,048.81/x
  3. Step 3: Cross multiply
    131,632.17x = 181,655.51 × 75,048.81
  4. Step 4: Simplify right side
    131,632.17x = 13,633,029,480.20
  5. Step 5: Solve for x
    x = 13,633,029,480.20/131,632.17
  6. Step 6: Final answer
    x = 103,569.13

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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.