Home / 156,730.20-235,095.30-154,397.40

Finding the Fourth Proportional to 156,730.20, 235,095.30 and 154,397.40

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Solution

The fourth proportional to 156,730.20, 235,095.30 and 154,397.40 is: 231,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,730.20 : 235,095.30 = 154,397.40 : x
  2. Step 2: Convert to fraction form
    156,730.20/235,095.30 = 154,397.40/x
  3. Step 3: Cross multiply
    156,730.20x = 235,095.30 × 154,397.40
  4. Step 4: Simplify right side
    156,730.20x = 36,298,103,072.22
  5. Step 5: Solve for x
    x = 36,298,103,072.22/156,730.20
  6. Step 6: Final answer
    x = 231,596.10

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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.