Home / 208,735.93-288,056.14-113,242.63

Finding the Fourth Proportional to 208,735.93, 288,056.14 and 113,242.63

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Solution

The fourth proportional to 208,735.93, 288,056.14 and 113,242.63 is: 156,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,735.93 : 288,056.14 = 113,242.63 : x
  2. Step 2: Convert to fraction form
    208,735.93/288,056.14 = 113,242.63/x
  3. Step 3: Cross multiply
    208,735.93x = 288,056.14 × 113,242.63
  4. Step 4: Simplify right side
    208,735.93x = 32,620,233,762.56
  5. Step 5: Solve for x
    x = 32,620,233,762.56/208,735.93
  6. Step 6: Final answer
    x = 156,275.13

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1.5x scale

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.