Home / 98,307.30-147,444.75-42,156.48

Finding the Fourth Proportional to 98,307.30, 147,444.75 and 42,156.48

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Solution

The fourth proportional to 98,307.30, 147,444.75 and 42,156.48 is: 63,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,307.30 : 147,444.75 = 42,156.48 : x
  2. Step 2: Convert to fraction form
    98,307.30/147,444.75 = 42,156.48/x
  3. Step 3: Cross multiply
    98,307.30x = 147,444.75 × 42,156.48
  4. Step 4: Simplify right side
    98,307.30x = 6,215,751,654.48
  5. Step 5: Solve for x
    x = 6,215,751,654.48/98,307.30
  6. Step 6: Final answer
    x = 63,227.77

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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.