Home / 211,005.04-316,083.60-98,530.12

Finding the Fourth Proportional to 211,005.04, 316,083.60 and 98,530.12

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Solution

The fourth proportional to 211,005.04, 316,083.60 and 98,530.12 is: 147,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,005.04 : 316,083.60 = 98,530.12 : x
  2. Step 2: Convert to fraction form
    211,005.04/316,083.60 = 98,530.12/x
  3. Step 3: Cross multiply
    211,005.04x = 316,083.60 × 98,530.12
  4. Step 4: Simplify right side
    211,005.04x = 31,143,755,038.03
  5. Step 5: Solve for x
    x = 31,143,755,038.03/211,005.04
  6. Step 6: Final answer
    x = 147,597.21

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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.