Home / 129,225.16-193,730.22-40,423.24

Finding the Fourth Proportional to 129,225.16, 193,730.22 and 40,423.24

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Solution

The fourth proportional to 129,225.16, 193,730.22 and 40,423.24 is: 60,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,225.16 : 193,730.22 = 40,423.24 : x
  2. Step 2: Convert to fraction form
    129,225.16/193,730.22 = 40,423.24/x
  3. Step 3: Cross multiply
    129,225.16x = 193,730.22 × 40,423.24
  4. Step 4: Simplify right side
    129,225.16x = 7,831,203,178.31
  5. Step 5: Solve for x
    x = 7,831,203,178.31/129,225.16
  6. Step 6: Final answer
    x = 60,601.23

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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.