Home / 134,774.40-185,984.64-75,158.40

Finding the Fourth Proportional to 134,774.40, 185,984.64 and 75,158.40

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Solution

The fourth proportional to 134,774.40, 185,984.64 and 75,158.40 is: 103,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.40 : 185,984.64 = 75,158.40 : x
  2. Step 2: Convert to fraction form
    134,774.40/185,984.64 = 75,158.40/x
  3. Step 3: Cross multiply
    134,774.40x = 185,984.64 × 75,158.40
  4. Step 4: Simplify right side
    134,774.40x = 13,978,307,966.98
  5. Step 5: Solve for x
    x = 13,978,307,966.98/134,774.40
  6. Step 6: Final answer
    x = 103,716.34

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1.5x scale

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.