Home / 98,799.63-147,937.01-77,237.43

Finding the Fourth Proportional to 98,799.63, 147,937.01 and 77,237.43

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Solution

The fourth proportional to 98,799.63, 147,937.01 and 77,237.43 is: 115,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,799.63 : 147,937.01 = 77,237.43 : x
  2. Step 2: Convert to fraction form
    98,799.63/147,937.01 = 77,237.43/x
  3. Step 3: Cross multiply
    98,799.63x = 147,937.01 × 77,237.43
  4. Step 4: Simplify right side
    98,799.63x = 11,426,274,068.10
  5. Step 5: Solve for x
    x = 11,426,274,068.10/98,799.63
  6. Step 6: Final answer
    x = 115,650.98

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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.