Home / 162,328.62-224,009.20-90,709.23

Finding the Fourth Proportional to 162,328.62, 224,009.20 and 90,709.23

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Solution

The fourth proportional to 162,328.62, 224,009.20 and 90,709.23 is: 125,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328.62 : 224,009.20 = 90,709.23 : x
  2. Step 2: Convert to fraction form
    162,328.62/224,009.20 = 90,709.23/x
  3. Step 3: Cross multiply
    162,328.62x = 224,009.20 × 90,709.23
  4. Step 4: Simplify right side
    162,328.62x = 20,319,701,818.14
  5. Step 5: Solve for x
    x = 20,319,701,818.14/162,328.62
  6. Step 6: Final answer
    x = 125,176.34

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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.