Home / 155,725.90-233,443.05-121,973.20

Finding the Fourth Proportional to 155,725.90, 233,443.05 and 121,973.20

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Solution

The fourth proportional to 155,725.90, 233,443.05 and 121,973.20 is: 182,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,725.90 : 233,443.05 = 121,973.20 : x
  2. Step 2: Convert to fraction form
    155,725.90/233,443.05 = 121,973.20/x
  3. Step 3: Cross multiply
    155,725.90x = 233,443.05 × 121,973.20
  4. Step 4: Simplify right side
    155,725.90x = 28,473,795,826.26
  5. Step 5: Solve for x
    x = 28,473,795,826.26/155,725.90
  6. Step 6: Final answer
    x = 182,845.60

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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.