Home / 249,590.16-374,115.24-99,665.64

Finding the Fourth Proportional to 249,590.16, 374,115.24 and 99,665.64

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Solution

The fourth proportional to 249,590.16, 374,115.24 and 99,665.64 is: 149,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,590.16 : 374,115.24 = 99,665.64 : x
  2. Step 2: Convert to fraction form
    249,590.16/374,115.24 = 99,665.64/x
  3. Step 3: Cross multiply
    249,590.16x = 374,115.24 × 99,665.64
  4. Step 4: Simplify right side
    249,590.16x = 37,286,434,828.35
  5. Step 5: Solve for x
    x = 37,286,434,828.35/249,590.16
  6. Step 6: Final answer
    x = 149,390.64

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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.