Home / 148,646.91-205,065.75-88,220.10

Finding the Fourth Proportional to 148,646.91, 205,065.75 and 88,220.10

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Solution

The fourth proportional to 148,646.91, 205,065.75 and 88,220.10 is: 121,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,646.91 : 205,065.75 = 88,220.10 : x
  2. Step 2: Convert to fraction form
    148,646.91/205,065.75 = 88,220.10/x
  3. Step 3: Cross multiply
    148,646.91x = 205,065.75 × 88,220.10
  4. Step 4: Simplify right side
    148,646.91x = 18,090,920,971.58
  5. Step 5: Solve for x
    x = 18,090,920,971.58/148,646.91
  6. Step 6: Final answer
    x = 121,703.98

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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.