Home / 134,225.19-185,212.84-83,219.35

Finding the Fourth Proportional to 134,225.19, 185,212.84 and 83,219.35

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Solution

The fourth proportional to 134,225.19, 185,212.84 and 83,219.35 is: 114,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,225.19 : 185,212.84 = 83,219.35 : x
  2. Step 2: Convert to fraction form
    134,225.19/185,212.84 = 83,219.35/x
  3. Step 3: Cross multiply
    134,225.19x = 185,212.84 × 83,219.35
  4. Step 4: Simplify right side
    134,225.19x = 15,413,292,156.45
  5. Step 5: Solve for x
    x = 15,413,292,156.45/134,225.19
  6. Step 6: Final answer
    x = 114,831.59

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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.