Home / 134,307.84-201,432.96-55,401.60

Finding the Fourth Proportional to 134,307.84, 201,432.96 and 55,401.60

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Solution

The fourth proportional to 134,307.84, 201,432.96 and 55,401.60 is: 83,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,307.84 : 201,432.96 = 55,401.60 : x
  2. Step 2: Convert to fraction form
    134,307.84/201,432.96 = 55,401.60/x
  3. Step 3: Cross multiply
    134,307.84x = 201,432.96 × 55,401.60
  4. Step 4: Simplify right side
    134,307.84x = 11,159,708,276.74
  5. Step 5: Solve for x
    x = 11,159,708,276.74/134,307.84
  6. Step 6: Final answer
    x = 83,090.52

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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.