Home / 145,835.04-218,734.10-57,150.82

Finding the Fourth Proportional to 145,835.04, 218,734.10 and 57,150.82

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Solution

The fourth proportional to 145,835.04, 218,734.10 and 57,150.82 is: 85,719.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,835.04 : 218,734.10 = 57,150.82 : x
  2. Step 2: Convert to fraction form
    145,835.04/218,734.10 = 57,150.82/x
  3. Step 3: Cross multiply
    145,835.04x = 218,734.10 × 57,150.82
  4. Step 4: Simplify right side
    145,835.04x = 12,500,833,700.41
  5. Step 5: Solve for x
    x = 12,500,833,700.41/145,835.04
  6. Step 6: Final answer
    x = 85,719.00

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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.