Home / 162,326.21-224,009.69-90,706.30

Finding the Fourth Proportional to 162,326.21, 224,009.69 and 90,706.30

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Solution

The fourth proportional to 162,326.21, 224,009.69 and 90,706.30 is: 125,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,326.21 : 224,009.69 = 90,706.30 : x
  2. Step 2: Convert to fraction form
    162,326.21/224,009.69 = 90,706.30/x
  3. Step 3: Cross multiply
    162,326.21x = 224,009.69 × 90,706.30
  4. Step 4: Simplify right side
    162,326.21x = 20,319,088,570.47
  5. Step 5: Solve for x
    x = 20,319,088,570.47/162,326.21
  6. Step 6: Final answer
    x = 125,174.42

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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.