Home / 209,135.16-288,606.81-118,497.24

Finding the Fourth Proportional to 209,135.16, 288,606.81 and 118,497.24

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Solution

The fourth proportional to 209,135.16, 288,606.81 and 118,497.24 is: 163,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,135.16 : 288,606.81 = 118,497.24 : x
  2. Step 2: Convert to fraction form
    209,135.16/288,606.81 = 118,497.24/x
  3. Step 3: Cross multiply
    209,135.16x = 288,606.81 × 118,497.24
  4. Step 4: Simplify right side
    209,135.16x = 34,199,110,430.20
  5. Step 5: Solve for x
    x = 34,199,110,430.20/209,135.16
  6. Step 6: Final answer
    x = 163,526.36

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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.