Home / 160,431.16-240,646.08-40,488.38

Finding the Fourth Proportional to 160,431.16, 240,646.08 and 40,488.38

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Solution

The fourth proportional to 160,431.16, 240,646.08 and 40,488.38 is: 60,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,431.16 : 240,646.08 = 40,488.38 : x
  2. Step 2: Convert to fraction form
    160,431.16/240,646.08 = 40,488.38/x
  3. Step 3: Cross multiply
    160,431.16x = 240,646.08 × 40,488.38
  4. Step 4: Simplify right side
    160,431.16x = 9,743,369,932.55
  5. Step 5: Solve for x
    x = 9,743,369,932.55/160,431.16
  6. Step 6: Final answer
    x = 60,732.40

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1.5x scale

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.