Home / 126,557.59-174,648-69,967.75

Finding the Fourth Proportional to 126,557.59, 174,648 and 69,967.75

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Solution

The fourth proportional to 126,557.59, 174,648 and 69,967.75 is: 96,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,557.59 : 174,648 = 69,967.75 : x
  2. Step 2: Convert to fraction form
    126,557.59/174,648 = 69,967.75/x
  3. Step 3: Cross multiply
    126,557.59x = 174,648 × 69,967.75
  4. Step 4: Simplify right side
    126,557.59x = 12,219,727,602
  5. Step 5: Solve for x
    x = 12,219,727,602/126,557.59
  6. Step 6: Final answer
    x = 96,554.68

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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.