Home / 152,425.80-210,335.25-84,445.64

Finding the Fourth Proportional to 152,425.80, 210,335.25 and 84,445.64

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Solution

The fourth proportional to 152,425.80, 210,335.25 and 84,445.64 is: 116,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,425.80 : 210,335.25 = 84,445.64 : x
  2. Step 2: Convert to fraction form
    152,425.80/210,335.25 = 84,445.64/x
  3. Step 3: Cross multiply
    152,425.80x = 210,335.25 × 84,445.64
  4. Step 4: Simplify right side
    152,425.80x = 17,761,894,854.56
  5. Step 5: Solve for x
    x = 17,761,894,854.56/152,425.80
  6. Step 6: Final answer
    x = 116,528.14

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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.