Home / 189,522.04-261,538.42-103,480.75

Finding the Fourth Proportional to 189,522.04, 261,538.42 and 103,480.75

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Solution

The fourth proportional to 189,522.04, 261,538.42 and 103,480.75 is: 142,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,522.04 : 261,538.42 = 103,480.75 : x
  2. Step 2: Convert to fraction form
    189,522.04/261,538.42 = 103,480.75/x
  3. Step 3: Cross multiply
    189,522.04x = 261,538.42 × 103,480.75
  4. Step 4: Simplify right side
    189,522.04x = 27,064,191,855.42
  5. Step 5: Solve for x
    x = 27,064,191,855.42/189,522.04
  6. Step 6: Final answer
    x = 142,802.35

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1.5x scale

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.