Home / 130,389.60-179,948.40-82,625.52

Finding the Fourth Proportional to 130,389.60, 179,948.40 and 82,625.52

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Solution

The fourth proportional to 130,389.60, 179,948.40 and 82,625.52 is: 114,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,389.60 : 179,948.40 = 82,625.52 : x
  2. Step 2: Convert to fraction form
    130,389.60/179,948.40 = 82,625.52/x
  3. Step 3: Cross multiply
    130,389.60x = 179,948.40 × 82,625.52
  4. Step 4: Simplify right side
    130,389.60x = 14,868,330,123.17
  5. Step 5: Solve for x
    x = 14,868,330,123.17/130,389.60
  6. Step 6: Final answer
    x = 114,030.03

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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.