Home / 162,291.20-223,962.98-90,674.24

Finding the Fourth Proportional to 162,291.20, 223,962.98 and 90,674.24

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Solution

The fourth proportional to 162,291.20, 223,962.98 and 90,674.24 is: 125,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,291.20 : 223,962.98 = 90,674.24 : x
  2. Step 2: Convert to fraction form
    162,291.20/223,962.98 = 90,674.24/x
  3. Step 3: Cross multiply
    162,291.20x = 223,962.98 × 90,674.24
  4. Step 4: Simplify right side
    162,291.20x = 20,307,671,426.45
  5. Step 5: Solve for x
    x = 20,307,671,426.45/162,291.20
  6. Step 6: Final answer
    x = 125,131.07

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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.