Home / 132,398.08-182,647.04-75,777.28

Finding the Fourth Proportional to 132,398.08, 182,647.04 and 75,777.28

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Solution

The fourth proportional to 132,398.08, 182,647.04 and 75,777.28 is: 104,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,398.08 : 182,647.04 = 75,777.28 : x
  2. Step 2: Convert to fraction form
    132,398.08/182,647.04 = 75,777.28/x
  3. Step 3: Cross multiply
    132,398.08x = 182,647.04 × 75,777.28
  4. Step 4: Simplify right side
    132,398.08x = 13,840,495,891.25
  5. Step 5: Solve for x
    x = 13,840,495,891.25/132,398.08
  6. Step 6: Final answer
    x = 104,536.98

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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.