Home / 130,363.60-195,545.40-98,870.80

Finding the Fourth Proportional to 130,363.60, 195,545.40 and 98,870.80

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Solution

The fourth proportional to 130,363.60, 195,545.40 and 98,870.80 is: 148,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.60 : 195,545.40 = 98,870.80 : x
  2. Step 2: Convert to fraction form
    130,363.60/195,545.40 = 98,870.80/x
  3. Step 3: Cross multiply
    130,363.60x = 195,545.40 × 98,870.80
  4. Step 4: Simplify right side
    130,363.60x = 19,333,730,134.32
  5. Step 5: Solve for x
    x = 19,333,730,134.32/130,363.60
  6. Step 6: Final answer
    x = 148,306.20

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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.