Home / 156,746.85-235,120.28-155,872.05

Finding the Fourth Proportional to 156,746.85, 235,120.28 and 155,872.05

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Solution

The fourth proportional to 156,746.85, 235,120.28 and 155,872.05 is: 233,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.85 : 235,120.28 = 155,872.05 : x
  2. Step 2: Convert to fraction form
    156,746.85/235,120.28 = 155,872.05/x
  3. Step 3: Cross multiply
    156,746.85x = 235,120.28 × 155,872.05
  4. Step 4: Simplify right side
    156,746.85x = 36,648,679,260.81
  5. Step 5: Solve for x
    x = 36,648,679,260.81/156,746.85
  6. Step 6: Final answer
    x = 233,808.08

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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.