Home / 132,281.12-182,528.80-75,681.92

Finding the Fourth Proportional to 132,281.12, 182,528.80 and 75,681.92

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Solution

The fourth proportional to 132,281.12, 182,528.80 and 75,681.92 is: 104,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,281.12 : 182,528.80 = 75,681.92 : x
  2. Step 2: Convert to fraction form
    132,281.12/182,528.80 = 75,681.92/x
  3. Step 3: Cross multiply
    132,281.12x = 182,528.80 × 75,681.92
  4. Step 4: Simplify right side
    132,281.12x = 13,814,130,039.30
  5. Step 5: Solve for x
    x = 13,814,130,039.30/132,281.12
  6. Step 6: Final answer
    x = 104,430.10

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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.