Home / 154,187.32-231,368.47-60,758.68

Finding the Fourth Proportional to 154,187.32, 231,368.47 and 60,758.68

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Solution

The fourth proportional to 154,187.32, 231,368.47 and 60,758.68 is: 91,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,187.32 : 231,368.47 = 60,758.68 : x
  2. Step 2: Convert to fraction form
    154,187.32/231,368.47 = 60,758.68/x
  3. Step 3: Cross multiply
    154,187.32x = 231,368.47 × 60,758.68
  4. Step 4: Simplify right side
    154,187.32x = 14,057,642,830.82
  5. Step 5: Solve for x
    x = 14,057,642,830.82/154,187.32
  6. Step 6: Final answer
    x = 91,172.50

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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.