Home / 112,001.00-154,561.32-61,700.00

Finding the Fourth Proportional to 112,001.00, 154,561.32 and 61,700.00

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Solution

The fourth proportional to 112,001.00, 154,561.32 and 61,700.00 is: 85,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.00 : 154,561.32 = 61,700.00 : x
  2. Step 2: Convert to fraction form
    112,001.00/154,561.32 = 61,700.00/x
  3. Step 3: Cross multiply
    112,001.00x = 154,561.32 × 61,700.00
  4. Step 4: Simplify right side
    112,001.00x = 9,536,432,671.19
  5. Step 5: Solve for x
    x = 9,536,432,671.19/112,001.00
  6. Step 6: Final answer
    x = 85,145.96

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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.