Home / 88,166.34-121,671.95-51,870.33

Finding the Fourth Proportional to 88,166.34, 121,671.95 and 51,870.33

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Solution

The fourth proportional to 88,166.34, 121,671.95 and 51,870.33 is: 71,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,166.34 : 121,671.95 = 51,870.33 : x
  2. Step 2: Convert to fraction form
    88,166.34/121,671.95 = 51,870.33/x
  3. Step 3: Cross multiply
    88,166.34x = 121,671.95 × 51,870.33
  4. Step 4: Simplify right side
    88,166.34x = 6,311,163,938.89
  5. Step 5: Solve for x
    x = 6,311,163,938.89/88,166.34
  6. Step 6: Final answer
    x = 71,582.46

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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.