Home / 132,565.40-182,941.06-72,136.50

Finding the Fourth Proportional to 132,565.40, 182,941.06 and 72,136.50

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Solution

The fourth proportional to 132,565.40, 182,941.06 and 72,136.50 is: 99,548.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.40 : 182,941.06 = 72,136.50 : x
  2. Step 2: Convert to fraction form
    132,565.40/182,941.06 = 72,136.50/x
  3. Step 3: Cross multiply
    132,565.40x = 182,941.06 × 72,136.50
  4. Step 4: Simplify right side
    132,565.40x = 13,196,727,774.69
  5. Step 5: Solve for x
    x = 13,196,727,774.69/132,565.40
  6. Step 6: Final answer
    x = 99,548.81

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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.