Home / 156,980.93-216,629.08-89,004.17

Finding the Fourth Proportional to 156,980.93, 216,629.08 and 89,004.17

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Solution

The fourth proportional to 156,980.93, 216,629.08 and 89,004.17 is: 122,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.93 : 216,629.08 = 89,004.17 : x
  2. Step 2: Convert to fraction form
    156,980.93/216,629.08 = 89,004.17/x
  3. Step 3: Cross multiply
    156,980.93x = 216,629.08 × 89,004.17
  4. Step 4: Simplify right side
    156,980.93x = 19,280,891,463.26
  5. Step 5: Solve for x
    x = 19,280,891,463.26/156,980.93
  6. Step 6: Final answer
    x = 122,823.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.