Home / 130,545.32-180,152.10-73,967.48

Finding the Fourth Proportional to 130,545.32, 180,152.10 and 73,967.48

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Solution

The fourth proportional to 130,545.32, 180,152.10 and 73,967.48 is: 102,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,545.32 : 180,152.10 = 73,967.48 : x
  2. Step 2: Convert to fraction form
    130,545.32/180,152.10 = 73,967.48/x
  3. Step 3: Cross multiply
    130,545.32x = 180,152.10 × 73,967.48
  4. Step 4: Simplify right side
    130,545.32x = 13,325,396,853.71
  5. Step 5: Solve for x
    x = 13,325,396,853.71/130,545.32
  6. Step 6: Final answer
    x = 102,074.87

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1.5x scale

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.