Home / 209,386.02-289,004.03-118,795.02

Finding the Fourth Proportional to 209,386.02, 289,004.03 and 118,795.02

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Solution

The fourth proportional to 209,386.02, 289,004.03 and 118,795.02 is: 163,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,386.02 : 289,004.03 = 118,795.02 : x
  2. Step 2: Convert to fraction form
    209,386.02/289,004.03 = 118,795.02/x
  3. Step 3: Cross multiply
    209,386.02x = 289,004.03 × 118,795.02
  4. Step 4: Simplify right side
    209,386.02x = 34,332,238,959.89
  5. Step 5: Solve for x
    x = 34,332,238,959.89/209,386.02
  6. Step 6: Final answer
    x = 163,966.24

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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.