Home / 139,743.64-209,663.30-59,748.65

Finding the Fourth Proportional to 139,743.64, 209,663.30 and 59,748.65

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Solution

The fourth proportional to 139,743.64, 209,663.30 and 59,748.65 is: 89,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,743.64 : 209,663.30 = 59,748.65 : x
  2. Step 2: Convert to fraction form
    139,743.64/209,663.30 = 59,748.65/x
  3. Step 3: Cross multiply
    139,743.64x = 209,663.30 × 59,748.65
  4. Step 4: Simplify right side
    139,743.64x = 12,527,098,904.81
  5. Step 5: Solve for x
    x = 12,527,098,904.81/139,743.64
  6. Step 6: Final answer
    x = 89,643.43

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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.