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Finding the Fourth Proportional to 130,363.60, 195,545.40 and 83,707.60

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Solution

The fourth proportional to 130,363.60, 195,545.40 and 83,707.60 is: 125,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.60 : 195,545.40 = 83,707.60 : x
  2. Step 2: Convert to fraction form
    130,363.60/195,545.40 = 83,707.60/x
  3. Step 3: Cross multiply
    130,363.60x = 195,545.40 × 83,707.60
  4. Step 4: Simplify right side
    130,363.60x = 16,368,636,125.04
  5. Step 5: Solve for x
    x = 16,368,636,125.04/130,363.60
  6. Step 6: Final answer
    x = 125,561.40

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