Home / 98,501.40-147,801.60-45,193.32

Finding the Fourth Proportional to 98,501.40, 147,801.60 and 45,193.32

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Solution

The fourth proportional to 98,501.40, 147,801.60 and 45,193.32 is: 67,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,501.40 : 147,801.60 = 45,193.32 : x
  2. Step 2: Convert to fraction form
    98,501.40/147,801.60 = 45,193.32/x
  3. Step 3: Cross multiply
    98,501.40x = 147,801.60 × 45,193.32
  4. Step 4: Simplify right side
    98,501.40x = 6,679,645,005.31
  5. Step 5: Solve for x
    x = 6,679,645,005.31/98,501.40
  6. Step 6: Final answer
    x = 67,812.69

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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.