Home / 134,128.47-201,223.86-39,354.81

Finding the Fourth Proportional to 134,128.47, 201,223.86 and 39,354.81

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Solution

The fourth proportional to 134,128.47, 201,223.86 and 39,354.81 is: 59,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,128.47 : 201,223.86 = 39,354.81 : x
  2. Step 2: Convert to fraction form
    134,128.47/201,223.86 = 39,354.81/x
  3. Step 3: Cross multiply
    134,128.47x = 201,223.86 × 39,354.81
  4. Step 4: Simplify right side
    134,128.47x = 7,919,126,777.77
  5. Step 5: Solve for x
    x = 7,919,126,777.77/134,128.47
  6. Step 6: Final answer
    x = 59,041.36

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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.