Home / 160,429.16-240,643.08-40,486.38

Finding the Fourth Proportional to 160,429.16, 240,643.08 and 40,486.38

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Solution

The fourth proportional to 160,429.16, 240,643.08 and 40,486.38 is: 60,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,429.16 : 240,643.08 = 40,486.38 : x
  2. Step 2: Convert to fraction form
    160,429.16/240,643.08 = 40,486.38/x
  3. Step 3: Cross multiply
    160,429.16x = 240,643.08 × 40,486.38
  4. Step 4: Simplify right side
    160,429.16x = 9,742,767,181.25
  5. Step 5: Solve for x
    x = 9,742,767,181.25/160,429.16
  6. Step 6: Final answer
    x = 60,729.40

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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.