Home / 145,180.89-217,686.56-56,330.63

Finding the Fourth Proportional to 145,180.89, 217,686.56 and 56,330.63

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Solution

The fourth proportional to 145,180.89, 217,686.56 and 56,330.63 is: 84,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,180.89 : 217,686.56 = 56,330.63 : x
  2. Step 2: Convert to fraction form
    145,180.89/217,686.56 = 56,330.63/x
  3. Step 3: Cross multiply
    145,180.89x = 217,686.56 × 56,330.63
  4. Step 4: Simplify right side
    145,180.89x = 12,262,419,697.25
  5. Step 5: Solve for x
    x = 12,262,419,697.25/145,180.89
  6. Step 6: Final answer
    x = 84,463.04

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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.