Home / 155,427.60-233,026.20-66,608.40

Finding the Fourth Proportional to 155,427.60, 233,026.20 and 66,608.40

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Solution

The fourth proportional to 155,427.60, 233,026.20 and 66,608.40 is: 99,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,427.60 : 233,026.20 = 66,608.40 : x
  2. Step 2: Convert to fraction form
    155,427.60/233,026.20 = 66,608.40/x
  3. Step 3: Cross multiply
    155,427.60x = 233,026.20 × 66,608.40
  4. Step 4: Simplify right side
    155,427.60x = 15,521,502,340.08
  5. Step 5: Solve for x
    x = 15,521,502,340.08/155,427.60
  6. Step 6: Final answer
    x = 99,863.23

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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.