Home / 130,545.90-195,816.10-70,602.96

Finding the Fourth Proportional to 130,545.90, 195,816.10 and 70,602.96

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Solution

The fourth proportional to 130,545.90, 195,816.10 and 70,602.96 is: 105,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,545.90 : 195,816.10 = 70,602.96 : x
  2. Step 2: Convert to fraction form
    130,545.90/195,816.10 = 70,602.96/x
  3. Step 3: Cross multiply
    130,545.90x = 195,816.10 × 70,602.96
  4. Step 4: Simplify right side
    130,545.90x = 13,825,196,275.66
  5. Step 5: Solve for x
    x = 13,825,196,275.66/130,545.90
  6. Step 6: Final answer
    x = 105,902.95

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1.5x scale

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.