Home / 162,435.24-224,165.27-90,815.45

Finding the Fourth Proportional to 162,435.24, 224,165.27 and 90,815.45

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Solution

The fourth proportional to 162,435.24, 224,165.27 and 90,815.45 is: 125,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,435.24 : 224,165.27 = 90,815.45 : x
  2. Step 2: Convert to fraction form
    162,435.24/224,165.27 = 90,815.45/x
  3. Step 3: Cross multiply
    162,435.24x = 224,165.27 × 90,815.45
  4. Step 4: Simplify right side
    162,435.24x = 20,357,668,975.63
  5. Step 5: Solve for x
    x = 20,357,668,975.63/162,435.24
  6. Step 6: Final answer
    x = 125,327.91

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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.