Home / 98,251.02-147,405.23-31,689.68

Finding the Fourth Proportional to 98,251.02, 147,405.23 and 31,689.68

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Solution

The fourth proportional to 98,251.02, 147,405.23 and 31,689.68 is: 47,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,251.02 : 147,405.23 = 31,689.68 : x
  2. Step 2: Convert to fraction form
    98,251.02/147,405.23 = 31,689.68/x
  3. Step 3: Cross multiply
    98,251.02x = 147,405.23 × 31,689.68
  4. Step 4: Simplify right side
    98,251.02x = 4,671,223,911.22
  5. Step 5: Solve for x
    x = 4,671,223,911.22/98,251.02
  6. Step 6: Final answer
    x = 47,543.77

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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.