Home / 170,802.70-256,228.35-52,456.30

Finding the Fourth Proportional to 170,802.70, 256,228.35 and 52,456.30

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Solution

The fourth proportional to 170,802.70, 256,228.35 and 52,456.30 is: 78,691.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,802.70 : 256,228.35 = 52,456.30 : x
  2. Step 2: Convert to fraction form
    170,802.70/256,228.35 = 52,456.30/x
  3. Step 3: Cross multiply
    170,802.70x = 256,228.35 × 52,456.30
  4. Step 4: Simplify right side
    170,802.70x = 13,440,791,196.11
  5. Step 5: Solve for x
    x = 13,440,791,196.11/170,802.70
  6. Step 6: Final answer
    x = 78,691.91

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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.