Home / 162,054.20-223,608.05-90,434.05

Finding the Fourth Proportional to 162,054.20, 223,608.05 and 90,434.05

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Solution

The fourth proportional to 162,054.20, 223,608.05 and 90,434.05 is: 124,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,054.20 : 223,608.05 = 90,434.05 : x
  2. Step 2: Convert to fraction form
    162,054.20/223,608.05 = 90,434.05/x
  3. Step 3: Cross multiply
    162,054.20x = 223,608.05 × 90,434.05
  4. Step 4: Simplify right side
    162,054.20x = 20,221,781,574.10
  5. Step 5: Solve for x
    x = 20,221,781,574.10/162,054.20
  6. Step 6: Final answer
    x = 124,784.06

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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.