Home / 155,051.32-232,593.07-42,731.55

Finding the Fourth Proportional to 155,051.32, 232,593.07 and 42,731.55

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Solution

The fourth proportional to 155,051.32, 232,593.07 and 42,731.55 is: 64,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,051.32 : 232,593.07 = 42,731.55 : x
  2. Step 2: Convert to fraction form
    155,051.32/232,593.07 = 42,731.55/x
  3. Step 3: Cross multiply
    155,051.32x = 232,593.07 × 42,731.55
  4. Step 4: Simplify right side
    155,051.32x = 9,939,062,400.36
  5. Step 5: Solve for x
    x = 9,939,062,400.36/155,051.32
  6. Step 6: Final answer
    x = 64,101.76

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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.