Home / 148,655.48-205,130.82-88,215.68

Finding the Fourth Proportional to 148,655.48, 205,130.82 and 88,215.68

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Solution

The fourth proportional to 148,655.48, 205,130.82 and 88,215.68 is: 121,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,655.48 : 205,130.82 = 88,215.68 : x
  2. Step 2: Convert to fraction form
    148,655.48/205,130.82 = 88,215.68/x
  3. Step 3: Cross multiply
    148,655.48x = 205,130.82 × 88,215.68
  4. Step 4: Simplify right side
    148,655.48x = 18,095,754,775.26
  5. Step 5: Solve for x
    x = 18,095,754,775.26/148,655.48
  6. Step 6: Final answer
    x = 121,729.48

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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.