Home / 145,741.37-218,612.10-112,509.95

Finding the Fourth Proportional to 145,741.37, 218,612.10 and 112,509.95

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Solution

The fourth proportional to 145,741.37, 218,612.10 and 112,509.95 is: 168,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741.37 : 218,612.10 = 112,509.95 : x
  2. Step 2: Convert to fraction form
    145,741.37/218,612.10 = 112,509.95/x
  3. Step 3: Cross multiply
    145,741.37x = 218,612.10 × 112,509.95
  4. Step 4: Simplify right side
    145,741.37x = 24,596,036,440.40
  5. Step 5: Solve for x
    x = 24,596,036,440.40/145,741.37
  6. Step 6: Final answer
    x = 168,764.96

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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.