Home / 136,223.71-204,368.37-42,729.46

Finding the Fourth Proportional to 136,223.71, 204,368.37 and 42,729.46

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Solution

The fourth proportional to 136,223.71, 204,368.37 and 42,729.46 is: 64,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,223.71 : 204,368.37 = 42,729.46 : x
  2. Step 2: Convert to fraction form
    136,223.71/204,368.37 = 42,729.46/x
  3. Step 3: Cross multiply
    136,223.71x = 204,368.37 × 42,729.46
  4. Step 4: Simplify right side
    136,223.71x = 8,732,549,420.02
  5. Step 5: Solve for x
    x = 8,732,549,420.02/136,223.71
  6. Step 6: Final answer
    x = 64,104.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.