Home / 145,309.75-200,609.67-94,368.04

Finding the Fourth Proportional to 145,309.75, 200,609.67 and 94,368.04

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Solution

The fourth proportional to 145,309.75, 200,609.67 and 94,368.04 is: 130,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,309.75 : 200,609.67 = 94,368.04 : x
  2. Step 2: Convert to fraction form
    145,309.75/200,609.67 = 94,368.04/x
  3. Step 3: Cross multiply
    145,309.75x = 200,609.67 × 94,368.04
  4. Step 4: Simplify right side
    145,309.75x = 18,931,141,362.95
  5. Step 5: Solve for x
    x = 18,931,141,362.95/145,309.75
  6. Step 6: Final answer
    x = 130,281.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.