Home / 124,785.14-172,154.66-76,955.46

Finding the Fourth Proportional to 124,785.14, 172,154.66 and 76,955.46

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Solution

The fourth proportional to 124,785.14, 172,154.66 and 76,955.46 is: 106,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,785.14 : 172,154.66 = 76,955.46 : x
  2. Step 2: Convert to fraction form
    124,785.14/172,154.66 = 76,955.46/x
  3. Step 3: Cross multiply
    124,785.14x = 172,154.66 × 76,955.46
  4. Step 4: Simplify right side
    124,785.14x = 13,248,241,051.44
  5. Step 5: Solve for x
    x = 13,248,241,051.44/124,785.14
  6. Step 6: Final answer
    x = 106,168.42

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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.