Home / 162,210.33-223,853.63-90,590.45

Finding the Fourth Proportional to 162,210.33, 223,853.63 and 90,590.45

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Solution

The fourth proportional to 162,210.33, 223,853.63 and 90,590.45 is: 125,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,210.33 : 223,853.63 = 90,590.45 : x
  2. Step 2: Convert to fraction form
    162,210.33/223,853.63 = 90,590.45/x
  3. Step 3: Cross multiply
    162,210.33x = 223,853.63 × 90,590.45
  4. Step 4: Simplify right side
    162,210.33x = 20,278,999,503.61
  5. Step 5: Solve for x
    x = 20,278,999,503.61/162,210.33
  6. Step 6: Final answer
    x = 125,016.70

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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.