Home / 138,913.48-208,368.69-33,732.55

Finding the Fourth Proportional to 138,913.48, 208,368.69 and 33,732.55

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Solution

The fourth proportional to 138,913.48, 208,368.69 and 33,732.55 is: 50,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,913.48 : 208,368.69 = 33,732.55 : x
  2. Step 2: Convert to fraction form
    138,913.48/208,368.69 = 33,732.55/x
  3. Step 3: Cross multiply
    138,913.48x = 208,368.69 × 33,732.55
  4. Step 4: Simplify right side
    138,913.48x = 7,028,807,253.86
  5. Step 5: Solve for x
    x = 7,028,807,253.86/138,913.48
  6. Step 6: Final answer
    x = 50,598.45

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1.5x scale

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.