Home / 88,145.57-121,628.63-51,848.66

Finding the Fourth Proportional to 88,145.57, 121,628.63 and 51,848.66

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Solution

The fourth proportional to 88,145.57, 121,628.63 and 51,848.66 is: 71,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,145.57 : 121,628.63 = 51,848.66 : x
  2. Step 2: Convert to fraction form
    88,145.57/121,628.63 = 51,848.66/x
  3. Step 3: Cross multiply
    88,145.57x = 121,628.63 × 51,848.66
  4. Step 4: Simplify right side
    88,145.57x = 6,306,281,004.61
  5. Step 5: Solve for x
    x = 6,306,281,004.61/88,145.57
  6. Step 6: Final answer
    x = 71,543.94

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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.