Home / 134,897.40-186,180.93-128,918.52

Finding the Fourth Proportional to 134,897.40, 186,180.93 and 128,918.52

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Solution

The fourth proportional to 134,897.40, 186,180.93 and 128,918.52 is: 177,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,897.40 : 186,180.93 = 128,918.52 : x
  2. Step 2: Convert to fraction form
    134,897.40/186,180.93 = 128,918.52/x
  3. Step 3: Cross multiply
    134,897.40x = 186,180.93 × 128,918.52
  4. Step 4: Simplify right side
    134,897.40x = 24,002,170,090.98
  5. Step 5: Solve for x
    x = 24,002,170,090.98/134,897.40
  6. Step 6: Final answer
    x = 177,929.08

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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.