Home / 113,298.04-156,330.82-64,239.80

Finding the Fourth Proportional to 113,298.04, 156,330.82 and 64,239.80

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Solution

The fourth proportional to 113,298.04, 156,330.82 and 64,239.80 is: 88,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,298.04 : 156,330.82 = 64,239.80 : x
  2. Step 2: Convert to fraction form
    113,298.04/156,330.82 = 64,239.80/x
  3. Step 3: Cross multiply
    113,298.04x = 156,330.82 × 64,239.80
  4. Step 4: Simplify right side
    113,298.04x = 10,042,660,610.64
  5. Step 5: Solve for x
    x = 10,042,660,610.64/113,298.04
  6. Step 6: Final answer
    x = 88,639.31

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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.