Home / 130,864.03-195,409.54-103,907.53

Finding the Fourth Proportional to 130,864.03, 195,409.54 and 103,907.53

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Solution

The fourth proportional to 130,864.03, 195,409.54 and 103,907.53 is: 155,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,864.03 : 195,409.54 = 103,907.53 : x
  2. Step 2: Convert to fraction form
    130,864.03/195,409.54 = 103,907.53/x
  3. Step 3: Cross multiply
    130,864.03x = 195,409.54 × 103,907.53
  4. Step 4: Simplify right side
    130,864.03x = 20,304,522,639.84
  5. Step 5: Solve for x
    x = 20,304,522,639.84/130,864.03
  6. Step 6: Final answer
    x = 155,157.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.