Home / 155,280.90-232,775.55-121,528.20

Finding the Fourth Proportional to 155,280.90, 232,775.55 and 121,528.20

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Solution

The fourth proportional to 155,280.90, 232,775.55 and 121,528.20 is: 182,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280.90 : 232,775.55 = 121,528.20 : x
  2. Step 2: Convert to fraction form
    155,280.90/232,775.55 = 121,528.20/x
  3. Step 3: Cross multiply
    155,280.90x = 232,775.55 × 121,528.20
  4. Step 4: Simplify right side
    155,280.90x = 28,288,793,595.51
  5. Step 5: Solve for x
    x = 28,288,793,595.51/155,280.90
  6. Step 6: Final answer
    x = 182,178.19

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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.