Home / 171,070.76-254,802.25-163,395.20

Finding the Fourth Proportional to 171,070.76, 254,802.25 and 163,395.20

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Solution

The fourth proportional to 171,070.76, 254,802.25 and 163,395.20 is: 243,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,070.76 : 254,802.25 = 163,395.20 : x
  2. Step 2: Convert to fraction form
    171,070.76/254,802.25 = 163,395.20/x
  3. Step 3: Cross multiply
    171,070.76x = 254,802.25 × 163,395.20
  4. Step 4: Simplify right side
    171,070.76x = 41,633,464,599.20
  5. Step 5: Solve for x
    x = 41,633,464,599.20/171,070.76
  6. Step 6: Final answer
    x = 243,369.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.