Home / 126,319.84-174,314.64-72,596.32

Finding the Fourth Proportional to 126,319.84, 174,314.64 and 72,596.32

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Solution

The fourth proportional to 126,319.84, 174,314.64 and 72,596.32 is: 100,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,319.84 : 174,314.64 = 72,596.32 : x
  2. Step 2: Convert to fraction form
    126,319.84/174,314.64 = 72,596.32/x
  3. Step 3: Cross multiply
    126,319.84x = 174,314.64 × 72,596.32
  4. Step 4: Simplify right side
    126,319.84x = 12,654,601,386.12
  5. Step 5: Solve for x
    x = 12,654,601,386.12/126,319.84
  6. Step 6: Final answer
    x = 100,179.05

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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.