Home / 99,001.44-136,609.74-63,212.40

Finding the Fourth Proportional to 99,001.44, 136,609.74 and 63,212.40

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Solution

The fourth proportional to 99,001.44, 136,609.74 and 63,212.40 is: 87,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,001.44 : 136,609.74 = 63,212.40 : x
  2. Step 2: Convert to fraction form
    99,001.44/136,609.74 = 63,212.40/x
  3. Step 3: Cross multiply
    99,001.44x = 136,609.74 × 63,212.40
  4. Step 4: Simplify right side
    99,001.44x = 8,635,429,528.78
  5. Step 5: Solve for x
    x = 8,635,429,528.78/99,001.44
  6. Step 6: Final answer
    x = 87,225.29

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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.