Home / 208,125.19-287,213.27-112,632.58

Finding the Fourth Proportional to 208,125.19, 287,213.27 and 112,632.58

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Solution

The fourth proportional to 208,125.19, 287,213.27 and 112,632.58 is: 155,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,125.19 : 287,213.27 = 112,632.58 : x
  2. Step 2: Convert to fraction form
    208,125.19/287,213.27 = 112,632.58/x
  3. Step 3: Cross multiply
    208,125.19x = 287,213.27 × 112,632.58
  4. Step 4: Simplify right side
    208,125.19x = 32,349,571,610.34
  5. Step 5: Solve for x
    x = 32,349,571,610.34/208,125.19
  6. Step 6: Final answer
    x = 155,433.24

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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.