Home / 84,955.20-127,317.60-60,302.40

Finding the Fourth Proportional to 84,955.20, 127,317.60 and 60,302.40

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Solution

The fourth proportional to 84,955.20, 127,317.60 and 60,302.40 is: 90,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,955.20 : 127,317.60 = 60,302.40 : x
  2. Step 2: Convert to fraction form
    84,955.20/127,317.60 = 60,302.40/x
  3. Step 3: Cross multiply
    84,955.20x = 127,317.60 × 60,302.40
  4. Step 4: Simplify right side
    84,955.20x = 7,677,556,842.24
  5. Step 5: Solve for x
    x = 7,677,556,842.24/84,955.20
  6. Step 6: Final answer
    x = 90,371.83

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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.