Home / 98,030.82-147,032.30-31,462.32

Finding the Fourth Proportional to 98,030.82, 147,032.30 and 31,462.32

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Solution

The fourth proportional to 98,030.82, 147,032.30 and 31,462.32 is: 47,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,030.82 : 147,032.30 = 31,462.32 : x
  2. Step 2: Convert to fraction form
    98,030.82/147,032.30 = 31,462.32/x
  3. Step 3: Cross multiply
    98,030.82x = 147,032.30 × 31,462.32
  4. Step 4: Simplify right side
    98,030.82x = 4,625,977,272.94
  5. Step 5: Solve for x
    x = 4,625,977,272.94/98,030.82
  6. Step 6: Final answer
    x = 47,189.01

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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.