Home / 98,178.58-147,263.75-31,617.23

Finding the Fourth Proportional to 98,178.58, 147,263.75 and 31,617.23

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Solution

The fourth proportional to 98,178.58, 147,263.75 and 31,617.23 is: 47,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,178.58 : 147,263.75 = 31,617.23 : x
  2. Step 2: Convert to fraction form
    98,178.58/147,263.75 = 31,617.23/x
  3. Step 3: Cross multiply
    98,178.58x = 147,263.75 × 31,617.23
  4. Step 4: Simplify right side
    98,178.58x = 4,656,072,301.61
  5. Step 5: Solve for x
    x = 4,656,072,301.61/98,178.58
  6. Step 6: Final answer
    x = 47,424.52

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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.