Home / 125,386.68-187,959.06-42,235.32

Finding the Fourth Proportional to 125,386.68, 187,959.06 and 42,235.32

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Solution

The fourth proportional to 125,386.68, 187,959.06 and 42,235.32 is: 63,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,386.68 : 187,959.06 = 42,235.32 : x
  2. Step 2: Convert to fraction form
    125,386.68/187,959.06 = 42,235.32/x
  3. Step 3: Cross multiply
    125,386.68x = 187,959.06 × 42,235.32
  4. Step 4: Simplify right side
    125,386.68x = 7,938,511,046.00
  5. Step 5: Solve for x
    x = 7,938,511,046.00/125,386.68
  6. Step 6: Final answer
    x = 63,312.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.