Home / 148,547.49-205,021.74-88,151.45

Finding the Fourth Proportional to 148,547.49, 205,021.74 and 88,151.45

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Solution

The fourth proportional to 148,547.49, 205,021.74 and 88,151.45 is: 121,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,547.49 : 205,021.74 = 88,151.45 : x
  2. Step 2: Convert to fraction form
    148,547.49/205,021.74 = 88,151.45/x
  3. Step 3: Cross multiply
    148,547.49x = 205,021.74 × 88,151.45
  4. Step 4: Simplify right side
    148,547.49x = 18,072,962,637.41
  5. Step 5: Solve for x
    x = 18,072,962,637.41/148,547.49
  6. Step 6: Final answer
    x = 121,664.54

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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.