Home / 170,931.36-256,421.36-52,612.56

Finding the Fourth Proportional to 170,931.36, 256,421.36 and 52,612.56

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Solution

The fourth proportional to 170,931.36, 256,421.36 and 52,612.56 is: 78,926.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,931.36 : 256,421.36 = 52,612.56 : x
  2. Step 2: Convert to fraction form
    170,931.36/256,421.36 = 52,612.56/x
  3. Step 3: Cross multiply
    170,931.36x = 256,421.36 × 52,612.56
  4. Step 4: Simplify right side
    170,931.36x = 13,490,984,188.28
  5. Step 5: Solve for x
    x = 13,490,984,188.28/170,931.36
  6. Step 6: Final answer
    x = 78,926.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.