Home / 154,750.17-212,164.47-151,950.81

Finding the Fourth Proportional to 154,750.17, 212,164.47 and 151,950.81

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Solution

The fourth proportional to 154,750.17, 212,164.47 and 151,950.81 is: 208,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,750.17 : 212,164.47 = 151,950.81 : x
  2. Step 2: Convert to fraction form
    154,750.17/212,164.47 = 151,950.81/x
  3. Step 3: Cross multiply
    154,750.17x = 212,164.47 × 151,950.81
  4. Step 4: Simplify right side
    154,750.17x = 32,238,563,069.72
  5. Step 5: Solve for x
    x = 32,238,563,069.72/154,750.17
  6. Step 6: Final answer
    x = 208,326.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.