Home / 130,386.63-195,545.88-46,138.53

Finding the Fourth Proportional to 130,386.63, 195,545.88 and 46,138.53

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Solution

The fourth proportional to 130,386.63, 195,545.88 and 46,138.53 is: 69,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,386.63 : 195,545.88 = 46,138.53 : x
  2. Step 2: Convert to fraction form
    130,386.63/195,545.88 = 46,138.53/x
  3. Step 3: Cross multiply
    130,386.63x = 195,545.88 × 46,138.53
  4. Step 4: Simplify right side
    130,386.63x = 9,022,199,450.76
  5. Step 5: Solve for x
    x = 9,022,199,450.76/130,386.63
  6. Step 6: Final answer
    x = 69,195.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.