Home / 130,926.48-180,683.76-74,343.12

Finding the Fourth Proportional to 130,926.48, 180,683.76 and 74,343.12

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Solution

The fourth proportional to 130,926.48, 180,683.76 and 74,343.12 is: 102,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,926.48 : 180,683.76 = 74,343.12 : x
  2. Step 2: Convert to fraction form
    130,926.48/180,683.76 = 74,343.12/x
  3. Step 3: Cross multiply
    130,926.48x = 180,683.76 × 74,343.12
  4. Step 4: Simplify right side
    130,926.48x = 13,432,594,451.73
  5. Step 5: Solve for x
    x = 13,432,594,451.73/130,926.48
  6. Step 6: Final answer
    x = 102,596.47

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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.