Home / 112,287.90-154,959.64-61,302.77

Finding the Fourth Proportional to 112,287.90, 154,959.64 and 61,302.77

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Solution

The fourth proportional to 112,287.90, 154,959.64 and 61,302.77 is: 84,599.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.90 : 154,959.64 = 61,302.77 : x
  2. Step 2: Convert to fraction form
    112,287.90/154,959.64 = 61,302.77/x
  3. Step 3: Cross multiply
    112,287.90x = 154,959.64 × 61,302.77
  4. Step 4: Simplify right side
    112,287.90x = 9,499,455,931.96
  5. Step 5: Solve for x
    x = 9,499,455,931.96/112,287.90
  6. Step 6: Final answer
    x = 84,599.11

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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.