Home / 126,646.56-174,771.54-70,056.72

Finding the Fourth Proportional to 126,646.56, 174,771.54 and 70,056.72

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Solution

The fourth proportional to 126,646.56, 174,771.54 and 70,056.72 is: 96,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,646.56 : 174,771.54 = 70,056.72 : x
  2. Step 2: Convert to fraction form
    126,646.56/174,771.54 = 70,056.72/x
  3. Step 3: Cross multiply
    126,646.56x = 174,771.54 × 70,056.72
  4. Step 4: Simplify right side
    126,646.56x = 12,243,920,841.75
  5. Step 5: Solve for x
    x = 12,243,920,841.75/126,646.56
  6. Step 6: Final answer
    x = 96,677.88

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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.