Home / 155,962.10-233,615.10-129,718.10

Finding the Fourth Proportional to 155,962.10, 233,615.10 and 129,718.10

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Solution

The fourth proportional to 155,962.10, 233,615.10 and 129,718.10 is: 194,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,962.10 : 233,615.10 = 129,718.10 : x
  2. Step 2: Convert to fraction form
    155,962.10/233,615.10 = 129,718.10/x
  3. Step 3: Cross multiply
    155,962.10x = 233,615.10 × 129,718.10
  4. Step 4: Simplify right side
    155,962.10x = 30,304,106,903.31
  5. Step 5: Solve for x
    x = 30,304,106,903.31/155,962.10
  6. Step 6: Final answer
    x = 194,304.30

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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.