Home / 163,434.64-225,534.59-90,837.18

Finding the Fourth Proportional to 163,434.64, 225,534.59 and 90,837.18

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Solution

The fourth proportional to 163,434.64, 225,534.59 and 90,837.18 is: 125,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.64 : 225,534.59 = 90,837.18 : x
  2. Step 2: Convert to fraction form
    163,434.64/225,534.59 = 90,837.18/x
  3. Step 3: Cross multiply
    163,434.64x = 225,534.59 × 90,837.18
  4. Step 4: Simplify right side
    163,434.64x = 20,486,924,566.20
  5. Step 5: Solve for x
    x = 20,486,924,566.20/163,434.64
  6. Step 6: Final answer
    x = 125,352.40

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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.