Home / 162,047.80-223,625.63-90,423.55

Finding the Fourth Proportional to 162,047.80, 223,625.63 and 90,423.55

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Solution

The fourth proportional to 162,047.80, 223,625.63 and 90,423.55 is: 124,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,047.80 : 223,625.63 = 90,423.55 : x
  2. Step 2: Convert to fraction form
    162,047.80/223,625.63 = 90,423.55/x
  3. Step 3: Cross multiply
    162,047.80x = 223,625.63 × 90,423.55
  4. Step 4: Simplify right side
    162,047.80x = 20,221,023,002.58
  5. Step 5: Solve for x
    x = 20,221,023,002.58/162,047.80
  6. Step 6: Final answer
    x = 124,784.31

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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.