Home / 105,151.34-145,117.13-59,831.23

Finding the Fourth Proportional to 105,151.34, 145,117.13 and 59,831.23

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Solution

The fourth proportional to 105,151.34, 145,117.13 and 59,831.23 is: 82,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,151.34 : 145,117.13 = 59,831.23 : x
  2. Step 2: Convert to fraction form
    105,151.34/145,117.13 = 59,831.23/x
  3. Step 3: Cross multiply
    105,151.34x = 145,117.13 × 59,831.23
  4. Step 4: Simplify right side
    105,151.34x = 8,682,536,820.95
  5. Step 5: Solve for x
    x = 8,682,536,820.95/105,151.34
  6. Step 6: Final answer
    x = 82,571.81

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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.