Home / 126,254.42-174,294.18-78,523.16

Finding the Fourth Proportional to 126,254.42, 174,294.18 and 78,523.16

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Solution

The fourth proportional to 126,254.42, 174,294.18 and 78,523.16 is: 108,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,254.42 : 174,294.18 = 78,523.16 : x
  2. Step 2: Convert to fraction form
    126,254.42/174,294.18 = 78,523.16/x
  3. Step 3: Cross multiply
    126,254.42x = 174,294.18 × 78,523.16
  4. Step 4: Simplify right side
    126,254.42x = 13,686,129,783.21
  5. Step 5: Solve for x
    x = 13,686,129,783.21/126,254.42
  6. Step 6: Final answer
    x = 108,401.19

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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.