Home / 149,730.30-224,595.45-138,904.65

Finding the Fourth Proportional to 149,730.30, 224,595.45 and 138,904.65

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Solution

The fourth proportional to 149,730.30, 224,595.45 and 138,904.65 is: 208,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,730.30 : 224,595.45 = 138,904.65 : x
  2. Step 2: Convert to fraction form
    149,730.30/224,595.45 = 138,904.65/x
  3. Step 3: Cross multiply
    149,730.30x = 224,595.45 × 138,904.65
  4. Step 4: Simplify right side
    149,730.30x = 31,197,352,373.84
  5. Step 5: Solve for x
    x = 31,197,352,373.84/149,730.30
  6. Step 6: Final answer
    x = 208,356.98

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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.