Home / 119,228.53-164,534.20-65,512.39

Finding the Fourth Proportional to 119,228.53, 164,534.20 and 65,512.39

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Solution

The fourth proportional to 119,228.53, 164,534.20 and 65,512.39 is: 90,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,228.53 : 164,534.20 = 65,512.39 : x
  2. Step 2: Convert to fraction form
    119,228.53/164,534.20 = 65,512.39/x
  3. Step 3: Cross multiply
    119,228.53x = 164,534.20 × 65,512.39
  4. Step 4: Simplify right side
    119,228.53x = 10,779,028,678.74
  5. Step 5: Solve for x
    x = 10,779,028,678.74/119,228.53
  6. Step 6: Final answer
    x = 90,406.45

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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.