Home / 112,032.32-154,611.52-61,731.20

Finding the Fourth Proportional to 112,032.32, 154,611.52 and 61,731.20

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Solution

The fourth proportional to 112,032.32, 154,611.52 and 61,731.20 is: 85,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,032.32 : 154,611.52 = 61,731.20 : x
  2. Step 2: Convert to fraction form
    112,032.32/154,611.52 = 61,731.20/x
  3. Step 3: Cross multiply
    112,032.32x = 154,611.52 × 61,731.20
  4. Step 4: Simplify right side
    112,032.32x = 9,544,354,663.42
  5. Step 5: Solve for x
    x = 9,544,354,663.42/112,032.32
  6. Step 6: Final answer
    x = 85,192.87

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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.