Home / 163,012.13-224,696.91-128,500.62

Finding the Fourth Proportional to 163,012.13, 224,696.91 and 128,500.62

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Solution

The fourth proportional to 163,012.13, 224,696.91 and 128,500.62 is: 177,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,012.13 : 224,696.91 = 128,500.62 : x
  2. Step 2: Convert to fraction form
    163,012.13/224,696.91 = 128,500.62/x
  3. Step 3: Cross multiply
    163,012.13x = 224,696.91 × 128,500.62
  4. Step 4: Simplify right side
    163,012.13x = 28,873,692,247.08
  5. Step 5: Solve for x
    x = 28,873,692,247.08/163,012.13
  6. Step 6: Final answer
    x = 177,126.04

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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.