Home / 90,730.34-136,123.18-46,388.24

Finding the Fourth Proportional to 90,730.34, 136,123.18 and 46,388.24

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Solution

The fourth proportional to 90,730.34, 136,123.18 and 46,388.24 is: 69,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,730.34 : 136,123.18 = 46,388.24 : x
  2. Step 2: Convert to fraction form
    90,730.34/136,123.18 = 46,388.24/x
  3. Step 3: Cross multiply
    90,730.34x = 136,123.18 × 46,388.24
  4. Step 4: Simplify right side
    90,730.34x = 6,314,514,743.40
  5. Step 5: Solve for x
    x = 6,314,514,743.40/90,730.34
  6. Step 6: Final answer
    x = 69,596.51

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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.