Home / 162,421.72-224,142.47-90,801.74

Finding the Fourth Proportional to 162,421.72, 224,142.47 and 90,801.74

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Solution

The fourth proportional to 162,421.72, 224,142.47 and 90,801.74 is: 125,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,421.72 : 224,142.47 = 90,801.74 : x
  2. Step 2: Convert to fraction form
    162,421.72/224,142.47 = 90,801.74/x
  3. Step 3: Cross multiply
    162,421.72x = 224,142.47 × 90,801.74
  4. Step 4: Simplify right side
    162,421.72x = 20,352,526,467.18
  5. Step 5: Solve for x
    x = 20,352,526,467.18/162,421.72
  6. Step 6: Final answer
    x = 125,306.68

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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.