Home / 112,230-154,880.64-61,932.24

Finding the Fourth Proportional to 112,230, 154,880.64 and 61,932.24

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Solution

The fourth proportional to 112,230, 154,880.64 and 61,932.24 is: 85,468.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,230 : 154,880.64 = 61,932.24 : x
  2. Step 2: Convert to fraction form
    112,230/154,880.64 = 61,932.24/x
  3. Step 3: Cross multiply
    112,230x = 154,880.64 × 61,932.24
  4. Step 4: Simplify right side
    112,230x = 9,592,104,967.83
  5. Step 5: Solve for x
    x = 9,592,104,967.83/112,230
  6. Step 6: Final answer
    x = 85,468.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.